Regressions on master at commit r13-2684 vs commit r13-2677 on Linux/i686

[H.J. Lu]

New failures:

New passes:
FAIL: c-c++-common/goacc/mdc-2.c  -std=c++14 (test for excess errors)
FAIL: c-c++-common/goacc/mdc-2.c  -std=c++17 (test for excess errors)
FAIL: c-c++-common/goacc/mdc-2.c  -std=c++20 (test for excess errors)
FAIL: c-c++-common/goacc/mdc-2.c  -std=c++98 (test for excess errors)
FAIL: c-c++-common/goacc/mdc-2.c (test for excess errors)
FAIL: c-c++-common/gomp/target-50.c scan-tree-dump-times gimple "map\\(struct:\\*tmp \\[len: 1\\]\\) map\\(alloc:tmp[._0-9]*->arr \\[len: [0-9]+\\]\\) map\\(tofrom:\\*_[0-9]+ \\[len: [0-9]+\\]\\) map\\(attach:tmp[._0-9]*->arr \\[bias: 0\\]\\)" 2
FAIL: c-c++-common/gomp/target-50.c  -std=c++14  scan-tree-dump-times gimple "map\\(struct:\\*tmp \\[len: 1\\]\\) map\\(alloc:tmp[._0-9]*->arr \\[len: [0-9]+\\]\\) map\\(tofrom:\\*_[0-9]+ \\[len: [0-9]+\\]\\) map\\(attach:tmp[._0-9]*->arr \\[bias: 0\\]\\)" 2
FAIL: c-c++-common/gomp/target-50.c  -std=c++17  scan-tree-dump-times gimple "map\\(struct:\\*tmp \\[len: 1\\]\\) map\\(alloc:tmp[._0-9]*->arr \\[len: [0-9]+\\]\\) map\\(tofrom:\\*_[0-9]+ \\[len: [0-9]+\\]\\) map\\(attach:tmp[._0-9]*->arr \\[bias: 0\\]\\)" 2
FAIL: c-c++-common/gomp/target-50.c  -std=c++20  scan-tree-dump-times gimple "map\\(struct:\\*tmp \\[len: 1\\]\\) map\\(alloc:tmp[._0-9]*->arr \\[len: [0-9]+\\]\\) map\\(tofrom:\\*_[0-9]+ \\[len: [0-9]+\\]\\) map\\(attach:tmp[._0-9]*->arr \\[bias: 0\\]\\)" 2
FAIL: c-c++-common/gomp/target-50.c  -std=c++98  scan-tree-dump-times gimple "map\\(struct:\\*tmp \\[len: 1\\]\\) map\\(alloc:tmp[._0-9]*->arr \\[len: [0-9]+\\]\\) map\\(tofrom:\\*_[0-9]+ \\[len: [0-9]+\\]\\) map\\(attach:tmp[._0-9]*->arr \\[bias: 0\\]\\)" 2
FAIL: g++.dg/goacc/mdc.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/goacc/mdc.C  -std=c++17 (test for excess errors)
FAIL: g++.dg/goacc/mdc.C  -std=c++20 (test for excess errors)
FAIL: g++.dg/goacc/mdc.C  -std=c++98 (test for excess errors)