Regressions on trunk at revision 230428 vs revision 230403

[Intel Automatic Testing System [Intel64 Core AVX2]]

New failures:
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++11  (test for errors, line 5)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++11  (test for errors, line 5)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++14  (test for errors, line 5)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++14  (test for errors, line 5)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++98  (test for errors, line 5)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++98  (test for errors, line 5)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++98 (test for excess errors)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++98 (test for excess errors)

New passes:
FAIL: gcc.dg/vect/pr65947-1.c -flto -ffat-lto-objects (internal compiler error)
FAIL: gcc.dg/vect/pr65947-1.c -flto -ffat-lto-objects (internal compiler error)
FAIL: gcc.dg/vect/pr65947-1.c -flto -ffat-lto-objects (test for excess errors)
FAIL: gcc.dg/vect/pr65947-1.c -flto -ffat-lto-objects (test for excess errors)
FAIL: gcc.dg/vect/pr65947-1.c (internal compiler error)
FAIL: gcc.dg/vect/pr65947-1.c (internal compiler error)
FAIL: gcc.dg/vect/pr65947-1.c (test for excess errors)
FAIL: gcc.dg/vect/pr65947-1.c (test for excess errors)
FAIL: gcc.dg/vect/pr65947-4.c -flto -ffat-lto-objects (internal compiler error)
FAIL: gcc.dg/vect/pr65947-4.c -flto -ffat-lto-objects (internal compiler error)
FAIL: gcc.dg/vect/pr65947-4.c -flto -ffat-lto-objects (test for excess errors)
FAIL: gcc.dg/vect/pr65947-4.c -flto -ffat-lto-objects (test for excess errors)
FAIL: gcc.dg/vect/pr65947-4.c (internal compiler error)
FAIL: gcc.dg/vect/pr65947-4.c (internal compiler error)
FAIL: gcc.dg/vect/pr65947-4.c (test for excess errors)
FAIL: gcc.dg/vect/pr65947-4.c (test for excess errors)