https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66920
Uroš Bizjak <ubizjak at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Component|debug |target Resolution|--- |DUPLICATE --- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Jan Smets from comment #1) > Likely related/identical to 66931 True, this ICE is due to ISA mismatch, it just happens to be in debug part. There is no vector register available, so BLKmode is used instead of V4SImode. Please note that gcc warns: pr66920.C: At global scope: pr66920.C:15:1: warning: always_inline function might not be inlinable [-Wattributes] counter_inc(struct counter *, long, long) { *** This bug has been marked as a duplicate of bug 66931 ***