Regressions on master at commit r11-6534 vs commit r11-6526 on Linux/i686

[H.J. Lu]

New failures:

New passes:
FAIL: gcc.dg/plugin/gil-1.c -fplugin=./analyzer_gil_plugin.so (test for excess errors)
FAIL: gcc.dg/plugin/gil-1.c -fplugin=./analyzer_gil_plugin.so  (test for warnings, line 16)
FAIL: gcc.dg/plugin/gil-1.c -fplugin=./analyzer_gil_plugin.so  (test for warnings, line 63)