Regressions on trunk at revision 238002 vs revision 237994

[Intel Automatic Testing System [Intel64 Core AVX2 PIC]]

New failures:
FAIL: gcc.dg/atomic/c11-atomic-exec-5.c   -O1  execution test
FAIL: gcc.dg/atomic/c11-atomic-exec-5.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
WARNING: program timed out.
WARNING: program timed out.

New passes: