[Bug rtl-optimization/63348] New: regression gcc.dg/pr43670.c fail on MIPS

[pangbw at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63348

            Bug ID: 63348
           Summary: regression gcc.dg/pr43670.c fail on MIPS
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pangbw at gmail dot com

1. Build GCC:
$ configure --enable-languages=c --target=mips-linux --with-as=PATH_TO_MIPS_AS
(--with-as is needed to set TARGET_CPU_DEFAULT with MASK_EXPLICIT_RELOCS in
tm.h)
$ make
2. Compile
$ ./xgcc -O  -fcompare-debug pr43670.c -I. -c
xgcc: error: pr43670.c: -fcompare-debug failure (length)