Regressions on trunk at revision 229100 vs revision 229035

[Intel Automatic Testing System [Intel64 Core AVX2]]

New failures:
FAIL: gcc.target/i386/iamcu/test_basic_alignment.c execution,  -O0 
FAIL: gcc.target/i386/iamcu/test_basic_alignment.c execution,  -O1 
FAIL: gcc.target/i386/iamcu/test_basic_alignment.c execution,  -O2 
FAIL: gcc.target/i386/iamcu/test_basic_alignment.c execution,  -O3 -g 
FAIL: gcc.target/i386/iamcu/test_basic_alignment.c execution,  -Og -g 
FAIL: gcc.target/i386/iamcu/test_basic_alignment.c execution,  -Os 
FAIL: gcc.target/i386/iamcu/test_basic_array_size_and_align.c execution,  -O0 
FAIL: gcc.target/i386/iamcu/test_basic_array_size_and_align.c execution,  -O1 
FAIL: gcc.target/i386/iamcu/test_basic_array_size_and_align.c execution,  -O2 
FAIL: gcc.target/i386/iamcu/test_basic_array_size_and_align.c execution,  -O3 -g 
FAIL: gcc.target/i386/iamcu/test_basic_array_size_and_align.c execution,  -Og -g 
FAIL: gcc.target/i386/iamcu/test_basic_array_size_and_align.c execution,  -Os 

New passes: