[Bug libgomp/82124] New: FAIL: libgomp.c++/pr69393.C (test for excess errors)

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82124

            Bug ID: 82124
           Summary: FAIL: libgomp.c++/pr69393.C (test for excess errors)
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Keywords: openmp
          Severity: normal
          Priority: P3
         Component: libgomp
          Assignee: unassigned at gcc dot gnu.org
          Reporter: egallager at gcc dot gnu.org
                CC: jakub at gcc dot gnu.org
  Target Milestone: ---
              Host: i386-apple-darwin9.8.0
            Target: i386-apple-darwin9.8.0
             Build: i386-apple-darwin9.8.0

Diffing https://gcc.gnu.org/ml/gcc-testresults/2017-08/msg00882.html and 
https://gcc.gnu.org/ml/gcc-testresults/2017-09/msg00470.html shows that a new
libgomp test failure was introduced between August and September:

 Running target unix
+FAIL: libgomp.c++/pr69393.C (test for excess errors)

                === libgomp Summary ===

-# of expected passes           1788
+# of expected passes           1789
+# of unexpected failures       1
 # of unsupported tests         208

Checking libgomp/testsuite/libgomp.log, the excess errors are:

FAIL: libgomp.c++/pr69393.C (test for excess errors)
Excess errors:
/var/tmp//ccWCqG7a.s:303:non-relocatable subtraction expression,
"_pr69393.C.a48af4a2" minus "Lsection__debug_info"
/var/tmp//ccWCqG7a.s:303:symbol: "_pr69393.C.a48af4a2" can't be undefined in a
subtraction expression
/var/tmp//ccWCqG7a.s:300:non-relocatable subtraction expression,
"_pr69393.C.a48af4a2" minus "Lsection__debug_info"
/var/tmp//ccWCqG7a.s:300:symbol: "_pr69393.C.a48af4a2" can't be undefined in a
subtraction expression
/var/tmp//ccWCqG7a.s:298:non-relocatable subtraction expression,
"_pr69393.C.a48af4a2" minus "Lsection__debug_info"
/var/tmp//ccWCqG7a.s:298:symbol: "_pr69393.C.a48af4a2" can't be undefined in a
subtraction expression
/var/tmp//ccWCqG7a.s:296:non-relocatable subtraction expression,
"_pr69393.C.a48af4a2" minus "Lsection__debug_info"
/var/tmp//ccWCqG7a.s:296:symbol: "_pr69393.C.a48af4a2" can't be undefined in a
subtraction expression
/var/tmp//ccWCqG7a.s:289:non-relocatable subtraction expression,
"_pr69393.C.a48af4a2" minus "Lsection__debug_info"
/var/tmp//ccWCqG7a.s:289:symbol: "_pr69393.C.a48af4a2" can't be undefined in a
subtraction expression
/var/tmp//ccWCqG7a.s:282:non-relocatable subtraction expression,
"_pr69393.C.a48af4a2" minus "Lsection__debug_info"
/var/tmp//ccWCqG7a.s:282:symbol: "_pr69393.C.a48af4a2" can't be undefined in a
subtraction expression
/var/tmp//ccWCqG7a.s:276:non-relocatable subtraction expression,
"_pr69393.C.a48af4a2" minus "Lsection__debug_info"
/var/tmp//ccWCqG7a.s:276:symbol: "_pr69393.C.a48af4a2" can't be undefined in a
subtraction expression
/var/tmp//ccWCqG7a.s:270:non-relocatable subtraction expression,
"_pr69393.C.a48af4a2" minus "Lsection__debug_info"
/var/tmp//ccWCqG7a.s:270:symbol: "_pr69393.C.a48af4a2" can't be undefined in a
subtraction expression
/var/tmp//ccWCqG7a.s:265:non-relocatable subtraction expression,
"_pr69393.C.a48af4a2" minus "Lsection__debug_info"
/var/tmp//ccWCqG7a.s:265:symbol: "_pr69393.C.a48af4a2" can't be undefined in a
subtraction expression
/var/tmp//ccWCqG7a.s:258:non-relocatable subtraction expression,
"_pr69393.C.a48af4a2" minus "Lsection__debug_info"
/var/tmp//ccWCqG7a.s:258:symbol: "_pr69393.C.a48af4a2" can't be undefined in a
subtraction expression
/var/tmp//ccWCqG7a.s:256:non-relocatable subtraction expression,
"_pr69393.C.a48af4a2" minus "Lsection__debug_info"
/var/tmp//ccWCqG7a.s:256:symbol: "_pr69393.C.a48af4a2" can't be undefined in a
subtraction expression
lto-wrapper: fatal error: /var/root/gcc-git/my_oddly_named_builddir/gcc/xgcc
returned 1 exit status
compilation terminated.
collect2: fatal error: lto-wrapper returned 1 exit status
compilation terminated.

I attached the full logfile. Version info:

$ /usr/local/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/usr/local/bin/gcc
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/i386-apple-darwin9.8.0/8.0.0/lto-wrapper
Target: i386-apple-darwin9.8.0
Configured with: ../configure --disable-werror --disable-werror-always
--enable-languages=c,c++,lto,objc,obj-c++ --enable-stage1-checking=release,rtl
-C --with-system-libunwind --enable-secureplt --enable-frame-pointer
--enable-debug --with-isl --disable-host-shared --enable-maintainer-mode
--disable-default-pie --with-ld64 --without-pic --enable-target-optspace
--enable-libstdcxx-debug CC=/usr/local/bin/gcc CXX=/usr/local/bin/g++
AUTOCONF=/usr/local/bin/autoconf AUTOHEADER=/usr/local/bin/autoheader
AUTORECONF=/usr/local/bin/autoreconf AUTOM4TE=/usr/local/bin/autom4te
AUTOSCAN=/usr/local/bin/autoscan AUTOUPDATE=/usr/local/bin/autoupdate
IFNAMES=/usr/local/bin/ifnames
Thread model: posix
gcc version 8.0.0 20170905 (experimental) (GCC) 
$