http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52870
Bug #: 52870 Summary: ICE during SLP pattern matching Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: uweig...@gcc.gnu.org Target: x86_64-linux-gnu Building the following testcase with -O -ftree-vectorize on x86_64: long test (int *x) { unsigned long sx, xprec; sx = *x >= 0 ? *x : -*x; xprec = sx * 64; if (sx < 16384) foo (sx); return xprec; } results in an ICE: crash1.c:5:1: internal compiler error: vector VEC(vec_void_p,base) index domain error, in vinfo_for_stmt at tree-vectorizer.h:628 (When building with --disable-checking, we get a segmentation fault instead.)