https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68460
Bug ID: 68460 Summary: ICE in init_stmt_vec_info_vec with -ftree-vectorize and -ftree-parallelize-loops Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: vries at gcc dot gnu.org Target Milestone: --- ... $ gcc src/libgomp/testsuite/libgomp.c/pr46886.c -ftree-vectorize -O -ftree-parallelize-loops=4 -fno-tree-ch -fno-tree-dominator-opts -S src/libgomp/testsuite/libgomp.c/pr46886.c: In function ‘foo’: src/libgomp/testsuite/libgomp.c/pr46886.c:8:5: internal compiler error: in init_stmt_vec_info_vec, at tree-vect-stmts.c:8250 int foo (void) ^~~ 0x1196082 init_stmt_vec_info_vec() src/gcc/tree-vect-stmts.c:8250 0x11c3ed4 vectorize_loops() src/gcc/tree-vectorizer.c:510 0x10a7ea5 execute src/gcc/tree-ssa-loop.c:276 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions. ...