[Bug target/59725] New: [4.9 Regression ARM,AArch64] r206148 (PR tree-optimization/59544) caused regressions in pr52943

[christophe.lyon at st dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59725

            Bug ID: 59725
           Summary: [4.9 Regression ARM,AArch64] r206148 (PR
                    tree-optimization/59544) caused regressions in pr52943
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: christophe.lyon at st dot com

Commit 206148 (PR tree-optimization/59544) causes regressions on ARM and
AArch64 targets in pr52943 testcase:
gcc.dg/torture/pr52943.c  -O3 -fomit-frame-pointer  execution test
gcc.dg/torture/pr52943.c  -O3 -fomit-frame-pointer -funroll-all-loops
-finline-functions  execution test
gcc.dg/torture/pr52943.c  -O3 -fomit-frame-pointer -funroll-loops  execution
test
gcc.dg/torture/pr52943.c  -O3 -g  execution test

now fail at execution, on the following targets:
* arm-none-linux-gnueabihf --with-cpu=cortex-a9 --with-fpu=neon-fp16
* aarch64-none-elf
* aarch64_be-none-elf