[Bug target/81285] New: [8 Regression] r249888 breaks bootstrap on ppc64le

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81285

            Bug ID: 81285
           Summary: [8 Regression] r249888 breaks bootstrap on ppc64le
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: trippels at gcc dot gnu.org
                CC: hubicka at ucw dot cz
  Target Milestone: ---
            Target: ppc64le

r249888 breaks bootstrap on ppc64le, e.g.:

../../../gcc/libgcc/libgcov-driver.c: In function ‘gcov_do_dump’:
../../../gcc/libgcc/libgcov-driver.c:853:1: error: verify_flow_info:
REG_BR_PROB is set but cfg probability is not
 }
 ^
during RTL pass: loop2_doloop
../../../gcc/libgcc/libgcov-driver.c:853:1: internal compiler error:
verify_flow_info failed
0x1039eeb3 verify_flow_info()
        ../../gcc/gcc/cfghooks.c:259
0x107fc44b execute_function_todo
        ../../gcc/gcc/passes.c:2001
0x107fd183 do_per_function
        ../../gcc/gcc/passes.c:1655
0x107fd403 execute_todo