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[Bug bootstrap/67156] New: config/bootstrap-debug.mk: STAGE2_CFLAGS += -gtoggle


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67156

            Bug ID: 67156
           Summary: config/bootstrap-debug.mk: STAGE2_CFLAGS += -gtoggle
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dilyan.palauzov at aegee dot org
  Target Milestone: ---

config/bootstrap-debug.mk contains:
  STAGE2_CFLAGS += -gtoggle
and in turn stage2 is compiled with -gtoggle, while stage3 is compile without
-gtoggle. This can be seen by comparing stage{2,3}-gcc/Makefile .  After
finishing stage3, the build process compares the binaries from stage2 and
stage3, which differ, because they were compiled with/out -gtoggle.

Removing  -gtoggle from config/bootstrap-debug.mk:STAGE2_CFLAGS enables to
finish the compilation without errors (during the final comparison)

I compile gcc with 

/git/gcc/configure --enable-host-shared --enable-threads=posix
--with-arch=haswell --enable-__cxa_atexit --enable-languages=c,c++,lto,jit
--enable-targets=all --enable-nls --with-linker-hash-style=gnu
--with-system-zlib --disable-multilib

and the gcc-git repository is at the newest state.


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