On Fri, 2 Jun 2017, Marek Polacek wrote: > In the C FE, zero-length arrays require structural equality, so we can't > compare their canonical types, 'cause they're NULL. But matching_type_p > didn't > know that so we were crashing. With this patch the ICE is gone and the > warning > messages are the same as with e.g. "int a[1]". > > Bootstrapped/regtested on x86_64-linux, ok for trunk/7? > > 2017-06-02 Marek Polacek <pola...@redhat.com> > > PR c/80919 > * c-format.c (matching_type_p): Return false if any of the types > requires structural equality. > > * gcc.dg/format/pr80919.c: New test.
OK. -- Joseph S. Myers jos...@codesourcery.com
