With -fipa-pta in flags, pta-field-2.c FAILs: FAIL: gcc.c-torture/execute/pta-field-2.c execution, -O2 FAIL: gcc.c-torture/execute/pta-field-2.c execution, -O3 -fomit-frame-pointer FAIL: gcc.c-torture/execute/pta-field-2.c execution, -O3 -g FAIL: gcc.c-torture/execute/pta-field-2.c execution, -Os FAIL: gcc.c-torture/execute/pta-field-2.c execution, -O2 -flto
Command line: $ gcc -O2 -fipa-pta pta-field-2.i $ ./a.out Aborted The code might be undefined, but even -fno-strict-aliasing doesn't help: $ gcc -O2 -fipa-pta pta-field-2.i -fno-strict-aliasing $ ./a.out Aborted Tested revisions: r162653 - fail r161659 - fail r161170 - OK -- Summary: [4.6 Regression] -fipa-pta causes FAIL: gcc.c- torture/execute/pta-field-2.c execution Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot cz GCC host triplet: x86_64-pc-linux-gnu GCC target triplet: x86_64-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45120