[Bug tree-optimization/101746] New: [12 regression] gcc.dg/tree-prof/20050826-2.c and gcc.dg/uninit-pred-9_b.c fail since r12-2591

[clyon at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101746

            Bug ID: 101746
           Summary: [12 regression] gcc.dg/tree-prof/20050826-2.c and
                    gcc.dg/uninit-pred-9_b.c fail since r12-2591
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: clyon at gcc dot gnu.org
  Target Milestone: ---

Since r12-2591, I've noticed this regression:
FAIL: gcc.dg/tree-prof/20050826-2.c scan-tree-dump-not dom2 "Invalid sum"
on arm and aarch64

In addition:
FAIL: gcc.dg/uninit-pred-9_b.c bogus warning (test for bogus messages, line 25)
occurs on arm-none-eabi when testing with:
-mthumb -mfloat-abi=hard -march=armv7e-m+fp.dp
-mthumb -mfloat-abi=hard -march=armv7e-m+fp
-mthumb -mfloat-abi=soft -march=armv6s-m
-mthumb -mfloat-abi=soft -march=armv7-m
-mthumb -mfloat-abi=soft -march=armv8.1-m.main

or arm-none-linux-gnueabihf when configured --with-cpu=cortex-a5
--with-fpu=vfpv3-d16-fp16