[Bug regression/84623] New: [8 Regression] "-fcompare-debug failure (length)" testing pr46066.c start with r257826 on mips

[paul.hua.gm at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84623

            Bug ID: 84623
           Summary: [8 Regression]  "-fcompare-debug failure (length)"
                    testing pr46066.c start with r257826 on mips
           Product: gcc
           Version: 8.0.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: regression
          Assignee: unassigned at gcc dot gnu.org
          Reporter: paul.hua.gm at gmail dot com
  Target Milestone: ---

paulhua@erpro8-fsf2:~/GCC/build/gcc-r257826_obj$ ./gcc/xgcc -B./gcc
/home/paulhua/GCC/gcc_git_trunk/gcc/testsuite/gcc.dg/autopar/pr46066.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -fcompare-debug -O
-ftree-parallelize-loops=4 -S -o pr46066.s 
xgcc: error:
/home/paulhua/GCC/gcc_git_trunk/gcc/testsuite/gcc.dg/autopar/pr46066.c:
-fcompare-debug failure (length)

Start with r257826.

Can not reproduce with cross compiler.

On gcc23 gcc config with:

../configure --prefix=/opt/gcc-8 MISSING=texinfo MAKEINFO=missing
--target=mips64el-linux-gnu --enable-languages=c,c++