Re: [PATCH, PR51491] add CLOBBER before __builtin_stack_restore when converting vla alloca_with_align to array decl

[Richard Henderson]

On 12/15/2011 01:23 AM, Tom de Vries wrote:
>       PR tree-optimization/51491
>       * tree-ssa-ccp.c (insert_clobber_before_stack_restore)
>       (gsi_prev_dom_bb_nondebug, insert_clobbers_for_var): New function.
>       (ccp_fold_stmt): Use insert_clobbers_for_var after a successful
>       fold_builtin_alloca_with_align.
>       (ccp_visit_stmt): Calculate and free dominator info.
> 
>       * gcc.dg/pr51491.c: New test.
>       * gcc.dg/pr51491-2.c: Same.

Ok.


r~