Regressions on native/master at commit r16-7411 vs commit r16-7407 on Linux/x86_64

[Haochen Jiang]

Regressions on master at commit r16-7411 vs commit r16-7407 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.dg/vect/vect-simd-11.c execution test
FAIL: gcc.dg/vect/vect-simd-11.c execution test
FAIL: gcc.dg/vect/vect-simd-11.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-simd-11.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-simd-15.c execution test
FAIL: gcc.dg/vect/vect-simd-15.c execution test
FAIL: gcc.dg/vect/vect-simd-15.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-simd-15.c -flto -ffat-lto-objects execution test
FAIL: gcc.target/i386/avx2-vect-simd-11.c execution test
FAIL: gcc.target/i386/avx2-vect-simd-11.c execution test
FAIL: gcc.target/i386/avx2-vect-simd-15.c execution test
FAIL: gcc.target/i386/avx2-vect-simd-15.c execution test
FAIL: gcc.target/i386/avx512bw-vect-simd-11.c execution test
FAIL: gcc.target/i386/avx512bw-vect-simd-11.c execution test
FAIL: gcc.target/i386/avx512bw-vect-simd-15.c execution test
FAIL: gcc.target/i386/avx512bw-vect-simd-15.c execution test
FAIL: libgomp.c/scan-14.c execution test
FAIL: libgomp.c/scan-14.c execution test
FAIL: libgomp.c/scan-18.c execution test
FAIL: libgomp.c/scan-18.c execution test