gcc/testsuite · d11bf18f560999725b1fbbb393f7d12a1b751a59 · lvzhengyang / riscv-gcc-1

re PR tree-optimization/48702 (optimization regression with gcc-4.6 on x86_64-unknown-linux-gnu) · ac8e1875

2011-05-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48702
	* tree-ssa-address.c (create_mem_ref_raw): Create MEM_REFs
	only when we know the base address is within bounds.
	* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Do not
	assume the base address of TARGET_MEM_REFs is in bounds.

	* gcc.dg/torture/pr48702.c: New testcase.

From-SVN: r174282

committed May 26, 2011

ac8e1875

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