Regressions on native/master at commit r12-3432 vs commit r12-3430 on Linux/x86_64

[H. J. Lu]

New failures:

New passes:
FAIL: gcc.target/x86_64/abi/avx512fp16/test_3_element_struct_and_unions.c execution,  -O0 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_3_element_struct_and_unions.c execution,  -O1 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_3_element_struct_and_unions.c execution,  -O2 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_3_element_struct_and_unions.c execution,  -O3 -g 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_3_element_struct_and_unions.c execution,  -Og -g 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_3_element_struct_and_unions.c execution,  -Os 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_alignment.c execution,  -O0 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_alignment.c execution,  -O1 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_alignment.c execution,  -O2 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_alignment.c execution,  -O3 -g 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_alignment.c execution,  -Og -g 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_alignment.c execution,  -Os 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_array_size_and_align.c execution,  -O0 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_array_size_and_align.c execution,  -O1 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_array_size_and_align.c execution,  -O2 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_array_size_and_align.c execution,  -O3 -g 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_array_size_and_align.c execution,  -Og -g 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_array_size_and_align.c execution,  -Os 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_sizes.c execution,  -O0 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_sizes.c execution,  -O1 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_sizes.c execution,  -O2 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_sizes.c execution,  -O3 -g 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_sizes.c execution,  -Og -g 
FAIL: gcc.target/x86_64/abi/avx512fp16/test_basic_sizes.c execution,  -Os