[Bug sanitizer/95617] New: [11 regression] many excess errors starting with r11-1117

[seurer at linux dot vnet.ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95617

            Bug ID: 95617
           Summary: [11 regression] many excess errors starting with
                    r11-1117
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: sanitizer
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at linux dot vnet.ibm.com
                CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
                    jakub at gcc dot gnu.org, kcc at gcc dot gnu.org, marxin at gcc dot gnu.org
  Target Milestone: ---

g:4089df8ef4a63126b0774c39b6638845244c20d2, r11-1117

There are a whole bunch of these excess errors plus another bunch of scan tree
errors:

spawn -ignore SIGHUP
/home/seurer/gcc/git/build/gcc-test/gcc/testsuite/g++2/../../xg++
-B/home/seurer/gcc/git/build/gcc-test/gcc/testsuite/g++2/../../
/home/seurer/gcc/git/gcc-test/gcc/testsuite/c-c++-common/asan/inline-kernel.c
-fsanitize=address -g
-I/home/seurer/gcc/git/gcc-test/gcc/testsuite/../../libsanitizer/include
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -nostdinc++
-I/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/libstdc++-v3/include/powerpc64-unknown-linux-gnu
-I/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/libstdc++-v3/include
-I/home/seurer/gcc/git/gcc-test/libstdc++-v3/libsupc++
-I/home/seurer/gcc/git/gcc-test/libstdc++-v3/include/backward
-I/home/seurer/gcc/git/gcc-test/libstdc++-v3/testsuite/util -fmessage-length=0
-O0 -fsanitize=kernel-address -c -O3 -fdump-tree-optimized -S -o
inline-kernel.s^M
cc1plus: error: '-fsanitize=address' is incompatible with
'-fsanitize=kernel-address'^M
compiler exited with status 1
FAIL: c-c++-common/asan/inline-kernel.c   -O0  (test for excess errors)
Excess errors:
cc1plus: error: '-fsanitize=address' is incompatible with
'-fsanitize=kernel-address'

> FAIL: c-c++-common/asan/inline-kernel.c   -O0  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -O0  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -O1  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -O1  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -O2  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -O2  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -O3 -g  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -O3 -g  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -Os  (test for excess errors)
> FAIL: c-c++-common/asan/inline-kernel.c   -Os  (test for excess errors)
> FAIL: c-c++-common/tsan/inline.c   -O0   scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/tsan/inline.c   -O0   scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/tsan/inline.c   -O2   scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/tsan/inline.c   -O2   scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/ubsan/inline.c   -O0   scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/ubsan/inline.c   -O1   scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/ubsan/inline.c   -O2   scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/ubsan/inline.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none   scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/ubsan/inline.c   -O3 -g   scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/ubsan/inline.c   -Os   scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/ubsan/inline.c  -std=gnu++14  scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/ubsan/inline.c  -std=gnu++17  scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/ubsan/inline.c  -std=gnu++2a  scan-tree-dump-times optimized "Function do_not_sanitize" 1
> FAIL: c-c++-common/ubsan/inline.c  -std=gnu++98  scan-tree-dump-times optimized "Function do_not_sanitize" 1