Re: [PATCH] avoid using TYPE_SIZE unless it's constant [PR94131]

[Martin Sebor via Gcc-patches]

On 3/25/20 9:40 AM, Jeff Law wrote:

On Tue, 2020-03-17 at 19:35 -0600, Martin Sebor via Gcc-patches wrote:

PR tree-optimization/94131 - ICE on printf with a VLA string and -fno-tree-ccp

gcc/testsuite/ChangeLog:

        PR tree-optimization/94131
        * gcc.dg/pr94131.c: New test.

gcc/ChangeLog:

        PR tree-optimization/94131
        * gimple-fold.c (get_range_strlen_tree): Fail for variable-length
        types and decls.
        * tree-ssa-strlen.c (get_range_strlen_dynamic): Avoid assuming
        types have constant sizes.

I approved this a week or so ago.  I went ahead and committed it to get the P1
resolved.

Thanks.  It was on my list of things to do this week, along with
the fixes for PR94098 and PR94004.

Martin