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Re: libsanitizer merge from upstream r191666


On Mon, Nov 04, 2013 at 06:47:13AM -0800, Konstantin Serebryany wrote:
> +glider, our Mac expert.
> 
> Hi Jack,
> 
> This patch has not been tested on Mac and we generally do not claim
> that gcc-asan is supported on Mac.
> clang-asan *is* supported on Mac and our bots are green (this patch is
> a merge of the sources which are regularly tested on Mac,
> but the build procedure is different).
> 
> The failing assertion is weird, I haven't seen it since last year
> (https://code.google.com/p/address-sanitizer/issues/detail?id=117),
> but Alexander should know more.
> 
> What is your version of Mac OS?

I am testing on MacOS X 10.8.5 with FSF gcc trunk built as...

% gcc-fsf-4.9 -v
Using built-in specs.
COLLECT_GCC=gcc-fsf-4.9
COLLECT_LTO_WRAPPER=/sw/lib/gcc4.9/libexec/gcc/x86_64-apple-darwin12.5.0/4.9.0/lto-wrapper
Target: x86_64-apple-darwin12.5.0
Configured with: ../gcc-4.9-20131101/configure --prefix=/sw --prefix=/sw/lib/gcc4.9 --mandir=/sw/share/man --infodir=/sw/lib/gcc4.9/info --enable-languages=c,c++,fortran,lto,objc,obj-c++,java --with-gmp=/sw --with-libiconv-prefix=/sw --with-isl=/sw --with-cloog=/sw --with-mpc=/sw --with-system-zlib --enable-checking=yes --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib --program-suffix=-fsf-4.9
Thread model: posix
gcc version 4.9.0 20131101 (experimental) (GCC) 

> 
> --kcc
> 
> On Sat, Nov 2, 2013 at 10:25 AM, Jack Howarth <howarth@bromo.med.uc.edu> wrote:
> > On Fri, Nov 01, 2013 at 04:13:05PM -0700, Konstantin Serebryany wrote:
> >> Jukub,
> >>
> >> This works!
> >> New patch attached.
> >
> > Konstantin,
> >    This patch, when applied on top of r204305, bootstraps fine on x86_64-apple-darwin12 but
> > produces a lot of regressions with...
> >
> > make -k check RUNTESTFLAGS="asan.exp --target_board=unix'{-m64}'"
> >
> > Native configuration is x86_64-apple-darwin12.5.0
> >
> >                 === g++ tests ===
> >
> >
> > Running target unix/-m64
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/sleep-before-dying-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/sleep-before-dying-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/sleep-before-dying-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/strip-path-prefix-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/strip-path-prefix-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/strip-path-prefix-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O2 -flto  execution test
> > FAIL: g++.dg/asan/deep-stack-uaf-1.C  -O0  execution test
> > FAIL: g++.dg/asan/deep-stack-uaf-1.C  -O1  execution test
> > FAIL: g++.dg/asan/deep-stack-uaf-1.C  -O2  execution test
> > FAIL: g++.dg/asan/deep-stack-uaf-1.C  -O3 -fomit-frame-pointer  execution test
> > FAIL: g++.dg/asan/deep-stack-uaf-1.C  -O3 -g  execution test
> > FAIL: g++.dg/asan/deep-stack-uaf-1.C  -Os  execution test
> > FAIL: g++.dg/asan/deep-tail-call-1.C  -O0  execution test
> > FAIL: g++.dg/asan/deep-tail-call-1.C  -O1  execution test
> > FAIL: g++.dg/asan/deep-tail-call-1.C  -O2  execution test
> > FAIL: g++.dg/asan/deep-tail-call-1.C  -O3 -fomit-frame-pointer  execution test
> > FAIL: g++.dg/asan/deep-tail-call-1.C  -O3 -g  execution test
> > FAIL: g++.dg/asan/deep-tail-call-1.C  -Os  execution test
> > FAIL: g++.dg/asan/deep-tail-call-1.C  -O2 -flto -flto-partition=none  execution test
> > FAIL: g++.dg/asan/deep-tail-call-1.C  -O2 -flto  execution test
> > FAIL: g++.dg/asan/deep-thread-stack-1.C  -O0  execution test
> > FAIL: g++.dg/asan/deep-thread-stack-1.C  -O1  execution test
> > FAIL: g++.dg/asan/deep-thread-stack-1.C  -O2  execution test
> > FAIL: g++.dg/asan/deep-thread-stack-1.C  -O3 -fomit-frame-pointer  execution test
> > FAIL: g++.dg/asan/deep-thread-stack-1.C  -O3 -g  execution test
> > FAIL: g++.dg/asan/deep-thread-stack-1.C  -Os  execution test
> > FAIL: g++.dg/asan/deep-thread-stack-1.C  -O2 -flto -flto-partition=none  execution test
> > FAIL: g++.dg/asan/deep-thread-stack-1.C  -O2 -flto  execution test
> > FAIL: g++.dg/asan/interception-failure-test-1.C  -O0  output pattern test, is ==15047==AddressSanitizer CHECK failed: ../../../../gcc-4.9-20131101/libsanitizer/sanitizer_common/sanitizer_mac.cc:146 "((env_ptr)) != (0)" (0x0, 0x0)
> > FAIL: g++.dg/asan/interception-failure-test-1.C  -O1  output pattern test, is ==15061==AddressSanitizer CHECK failed: ../../../../gcc-4.9-20131101/libsanitizer/sanitizer_common/sanitizer_mac.cc:146 "((env_ptr)) != (0)" (0x0, 0x0)
> > FAIL: g++.dg/asan/interception-failure-test-1.C  -O2  output pattern test, is ==15075==AddressSanitizer CHECK failed: ../../../../gcc-4.9-20131101/libsanitizer/sanitizer_common/sanitizer_mac.cc:146 "((env_ptr)) != (0)" (0x0, 0x0)
> > FAIL: g++.dg/asan/interception-failure-test-1.C  -O3 -fomit-frame-pointer  output pattern test, is ==15090==AddressSanitizer CHECK failed: ../../../../gcc-4.9-20131101/libsanitizer/sanitizer_common/sanitizer_mac.cc:146 "((env_ptr)) != (0)" (0x0, 0x0)
> > FAIL: g++.dg/asan/interception-failure-test-1.C  -O3 -g  output pattern test, is ==15104==AddressSanitizer CHECK failed: ../../../../gcc-4.9-20131101/libsanitizer/sanitizer_common/sanitizer_mac.cc:146 "((env_ptr)) != (0)" (0x0, 0x0)
> > FAIL: g++.dg/asan/interception-failure-test-1.C  -Os  output pattern test, is ==15118==AddressSanitizer CHECK failed: ../../../../gcc-4.9-20131101/libsanitizer/sanitizer_common/sanitizer_mac.cc:146 "((env_ptr)) != (0)" (0x0, 0x0)
> > FAIL: g++.dg/asan/interception-failure-test-1.C  -O2 -flto -flto-partition=none  output pattern test, is ==15142==AddressSanitizer CHECK failed: ../../../../gcc-4.9-20131101/libsanitizer/sanitizer_common/sanitizer_mac.cc:146 "((env_ptr)) != (0)" (0x0, 0x0)
> > FAIL: g++.dg/asan/interception-failure-test-1.C  -O2 -flto  output pattern test, is ==15168==AddressSanitizer CHECK failed: ../../../../gcc-4.9-20131101/libsanitizer/sanitizer_common/sanitizer_mac.cc:146 "((env_ptr)) != (0)" (0x0, 0x0)
> > FAIL: g++.dg/asan/large-func-test-1.C  -O0  execution test
> > FAIL: g++.dg/asan/large-func-test-1.C  -O1  execution test
> > FAIL: g++.dg/asan/large-func-test-1.C  -O2  execution test
> > FAIL: g++.dg/asan/large-func-test-1.C  -O3 -fomit-frame-pointer  execution test
> > FAIL: g++.dg/asan/large-func-test-1.C  -O3 -g  execution test
> > FAIL: g++.dg/asan/large-func-test-1.C  -Os  execution test
> > FAIL: g++.dg/asan/large-func-test-1.C  -O2 -flto -flto-partition=none  execution test
> > FAIL: g++.dg/asan/large-func-test-1.C  -O2 -flto  execution test
> > FAIL: g++.dg/asan/symbolize-callback-1.C  -O2  execution test
> > FAIL: g++.dg/asan/symbolize-callback-1.C  -O2 -flto -flto-partition=none  execution test
> > FAIL: g++.dg/asan/symbolize-callback-1.C  -O2 -flto  execution test
> >
> >                 === g++ Summary ===
> >
> > # of expected passes            259
> > # of unexpected failures        111
> > # of unsupported tests          132
> > /sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/gcc/testsuite/g++/../../xg++  version 4.9.0 20131101 (experimental) (GCC)
> >
> >                 === gcc tests ===
> >
> >
> > Running target unix/-m64
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/global-overflow-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/heap-overflow-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/memcmp-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/null-deref-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/sanity-check-pure-c-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/sleep-before-dying-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/sleep-before-dying-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/sleep-before-dying-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/stack-overflow-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/strip-path-prefix-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/strip-path-prefix-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/strip-path-prefix-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/strncpy-overflow-1.c  -O2 -flto  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O0  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O1  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O2  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O3 -fomit-frame-pointer  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O3 -g  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -Os  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O2 -flto -flto-partition=none  execution test
> > FAIL: c-c++-common/asan/use-after-free-1.c  -O2 -flto  execution test
> >
> >                 === gcc Summary ===
> >
> > # of expected passes            178
> > # of unexpected failures        70
> > # of unsupported tests          101
> > /sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/gcc/xgcc  version 4.9.0 20131101 (experimental) (GCC)
> >
> >
> > /sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/gcc/xgcc  version 4.9.0 20131101 (experimental) (GCC)
> >
> >
> > Compiler version: 4.9.0 20131101 (experimental) (GCC)
> > Platform: x86_64-apple-darwin12.5.0
> > configure flags: --prefix=/sw --prefix=/sw/lib/gcc4.9 --mandir=/sw/share/man --infodir=/sw/lib/gcc4.9/info --enable-languages=c,c++,fortran,lto,objc,obj-c++,java --with-gmp=/sw --with-libiconv-prefix=/sw --with-isl=/sw --with-cloog=/sw --with-mpc=/sw --with-system-zlib --enable-checking=yes --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib --program-suffix=-fsf-4.9
> >
> > Oddly executing...
> >
> > make -k check RUNTESTFLAGS="asan.exp --target_board=unix'{-m32}'"
> >
> > results in no regressions on x86_64-apple-darwin12.
> >
> > Native configuration is x86_64-apple-darwin12.5.0
> >
> >                 === g++ tests ===
> >
> >
> > Running target unix/-m32
> >
> >                 === g++ Summary ===
> >
> > # of expected passes            473
> > # of unsupported tests          132
> > /sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/gcc/testsuite/g++/../../xg++  version 4.9.0 20131101 (experimental) (GCC)
> >
> >                 === gcc tests ===
> >
> >
> > Running target unix/-m32
> >
> >                 === gcc Summary ===
> >
> > # of expected passes            318
> > # of unsupported tests          101
> > /sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/gcc/xgcc  version 4.9.0 20131101 (experimental) (GCC)
> >
> >                 === gfortran tests ===
> >
> >
> > Compiler version: 4.9.0 20131101 (experimental) (GCC)
> > Platform: x86_64-apple-darwin12.5.0
> > configure flags: --prefix=/sw --prefix=/sw/lib/gcc4.9 --mandir=/sw/share/man --infodir=/sw/lib/gcc4.9/info --enable-languages=c,c++,fortran,lto,objc,obj-c++,java --with-gmp=/sw --with-libiconv-prefix=/sw --with-isl=/sw --with-cloog=/sw --with-mpc=/sw --with-system-zlib --enable-checking=yes --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib --program-suffix=-fsf-4.9
> >
> > Has this patch been test on any darwin targets?
> >                   Jack
> > ps The failures all appear to be of the form...
> >
> >
> > Executing on host: /sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/gcc/xgcc -B/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/gcc/ /sw/src/fink.build/gcc49-4.9.0-1000/gcc-4.9-20131101/gcc/testsuite/c-c++-common/asan/memcmp-1.c   -B/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/x86_64-apple-darwin12.5.0/./libsanitizer/asan/  -L/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/x86_64-apple-darwin12.5.0/./libsanitizer/asan/.libs  -fsanitize=address -g -fno-diagnostics-show-caret -fdiagnostics-color=never   -O0  -fno-builtin-memcmp  -lm   -m64 -o ./memcmp-1.exe    (timeout = 300)
> > spawn /sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/gcc/xgcc -B/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/gcc/ /sw/src/fink.build/gcc49-4.9.0-1000/gcc-4.9-20131101/gcc/testsuite/c-c++-common/asan/memcmp-1.c -B/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/x86_64-apple-darwin12.5.0/./libsanitizer/asan/ -L/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/x86_64-apple-darwin12.5.0/./libsanitizer/asan/.libs -fsanitize=address -g -fno-diagnostics-show-caret -fdiagnostics-color=never -O0 -fno-builtin-memcmp -lm -m64 -o ./memcmp-1.exe^M
> > PASS: c-c++-common/asan/memcmp-1.c  -O0  (test for excess errors)
> > Setting LD_LIBRARY_PATH to :/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/gcc:/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/x86_64-apple-darwin12.5.0/./libsanitizer/asan/.libs::/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/gcc:/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/x86_64-apple-darwin12.5.0/./libsanitizer/asan/.libs
> > spawn [open ...]^M
> > ==23392==AddressSanitizer CHECK failed: ../../../../gcc-4.9-20131101/libsanitizer/sanitizer_common/sanitizer_mac.cc:146 "((env_ptr)) != (0)" (0x0, 0x0)
> > FAIL: c-c++-common/asan/memcmp-1.c  -O0  execution test
> >
> >>
> >> Tested:
> >> make  -C gcc check-g{cc,++}
> >> RUNTESTFLAGS='--target_board=unix\{-m32,-m64\} asan.exp'
> >> make check -C gcc RUNTESTFLAGS='--target_board=unix\{-m32,-m64\} ubsan.exp'
> >>
> >> =========== gcc/testsuite/ChangeLog
> >>
> >> 2013-10-XX  Kostya Serebryany  <kcc@google.com>
> >>
> >>         * g++.dg/asan/asan_test.cc: Update the test
> >>         to match the fresh asan run-time.
> >>         * c-c++-common/asan/stack-overflow-1.c: Ditto.
> >>
> >> =========== gcc/ChangeLog
> >>
> >> 2013-10-XX  Kostya Serebryany  <kcc@google.com>
> >>
> >>         Update to match the changed asan API.
> >>         * asan.c:
> >>         (asan_function_start): New function.
> >>         (asan_emit_stack_protection): Update the string stored in the
> >>         stack red zone to match new API.  Store the PC of the current
> >>         function in the red zone.
> >>         (asan_global_struct): Update the __asan_global definition to match
> >>         the new API.
> >>         (asan_add_global): Ditto.
> >>         * asan.h: Declare asan_function_start.
> >>         * final.c:
> >>         (final_start_function): Call asan_function_start.
> >>         * sanitizer.def: Rename __asan_init_v1 to __asan_init_v3.
> >>
> >> =========== libsanitizer/ChangeLog
> >>
> >> 2013-10-XX  Kostya Serebryany  <kcc@google.com>
> >>
> >>         * All source files: Merge from upstream r191666.
> >>         * merge.sh: Added lsan.
> >>         * configure.ac: Added lsan.
> >>         * Makefile.am: Added lsan.
> >>         * sanitizer_common/Makefile.am: Added lsan.
> >>         * asan/Makefile.am: Added dependency on lsan.
> >>         * lsan/Makefile.am: New file.
> >>         * asan/Makefile.in: Regenerate.
> >>         * lsan/Makefile.in: Regenerate.
> >>         * Makefile.in: Regenerate.
> >>         * configure: Regenerate.
> >>         * sanitizer_common/Makefile.in: Regenerate.
> >>
> >> On Wed, Oct 30, 2013 at 12:03 AM, Jakub Jelinek <jakub@redhat.com> wrote:
> >> > On Tue, Oct 29, 2013 at 05:15:24PM -0700, Konstantin Serebryany wrote:
> >> >> Actually, I guessed the flags:
> >> >
> >> > You don't have to guess them, if you look into
> >> > testsuite/g++/g++.log (or testsuite/gcc/gcc.log etc.), you can find them
> >> > there.
> >> >
> >> >>  % ../gcc-inst/bin/g++ -g -fsanitize=address -static-libasan -O2 -flto
> >> >> -fno-use-linker-plugin -flto-partition=none
> >> >> ../gcc/gcc/testsuite/c-c++-common/asan/stack-overflow-1.c; ./a.out
> >> >> 2>&1
> >> >>
> >> >> /tmp/ccgSw6NI.lto.o: In function `main':
> >> >> ../gcc/gcc/testsuite/c-c++-common/asan/stack-overflow-1.c:13:
> >> >> undefined reference to `.LASANPC0.2585'
> >> >> collect2: error: ld returned 1 exit status
> >> >>
> >> >> Looks like this patch is not friendly to -flto
> >> >
> >> > I guess if you do:
> >> > ...
> >> > -  tree str_cst;
> >> > +  tree str_cst, decl, id;
> >> > ...
> >> > +  ASM_GENERATE_INTERNAL_LABEL (buf, "LASANPC", current_function_funcdef_no);
> >> > +  id = get_identifier (buf);
> >> > +  decl = build_decl (DECL_SOURCE_LOCATION (current_function_decl),
> >> > +                    VAR_DECL, id, char_type_node);
> >> > +  SET_DECL_ASSEMBLER_NAME (decl, id);
> >> > +  TREE_ADDRESSABLE (decl) = 1;
> >> > ...
> >> >
> >> > it might work even for -flto.  The problem with -flto is that the default
> >> > set_decl_assembler_name langhook for -flto appends dot and some number to
> >> > the non-exported names, which is undesirable here, because we already make
> >> > sure those first numbers are unique for the whole compilation unit.
> >> >
> >> >         Jakub
> >
> >


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