r179508 - in /trunk/gcc: ChangeLog builtins.c t...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Oct  4 15:25:53 2011
New Revision: 179508

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179508
Log:
	PR tree-optimization/50604
	* builtins.c (fold_builtin_strcpy, fold_builtin_stpcpy,
	fold_builtin_strncpy, fold_builtin_stxcpy_chk): Ensure
	last argument to memcpy has size_type_node type instead of
	ssizetype.
	* tree-ssa-strlen.c (handle_builtin_memcpy): Use size_type_node
	instead of TREE_TYPE (len) as type for newlen.

	* gcc.dg/pr50604.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr50604.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-strlen.c