[Bug debug/81623] New: [8 Regression] FAIL: g++.dg/debug/debug9.C -gstabs -O3 (test for excess errors)

["marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81623

            Bug ID: 81623
           Summary: [8 Regression] FAIL: g++.dg/debug/debug9.C -gstabs -O3
                    (test for excess errors)
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: hubicka at ucw dot cz
  Target Milestone: ---

Starting from r249885, the test-case fails:

g++ /home/marxin/Programming/gcc/gcc/testsuite/g++.dg/debug/debug9.C -gstabs
-O3 -c
/tmp/ccY5CXGf.s: Assembler messages:
/tmp/ccY5CXGf.s:194: Error: can't resolve `.text.unlikely' {.text.unlikely
section} - `.LFBB1' {.text.startup section}
/tmp/ccY5CXGf.s:195: Error: can't resolve `.text.unlikely' {.text.unlikely
section} - `.LFBB1' {.text.startup section}