Command line: $ gcc -O -ftree-pre -ftree-vectorize testcase.c or $ gcc -O2 -ftree-vectorize testcase.c or $ gcc -O3 testcase.c
Compiler output: $ gcc -O -ftree-pre -ftree-vectorize testcase.c testcase.c: In function 'f1': testcase.c:27:1: internal compiler error: tree check: expected ssa_name, have integer_cst in inhibit_phi_insertion, at tree-ssa-pre.c:3278 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Tested revisions: r162456 - crash r162056 - crash r161659 - OK -- Summary: [4.6 Regression] ICE: tree check: expected ssa_name, have integer_cst in inhibit_phi_insertion, at tree-ssa- pre.c:3278 with -ftree-pre -ftree-vectorize 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=45071