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re PR tree-optimization/44885 (miscompilation of gnat.dg/aliasing3.adb after mem-ref2)

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PR tree-optimization/44885
	* tree-sra.c (find_param_candidates): Skip pointer types to arrays
	with non-aliased component.

From-SVN: r162621
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Eric Botcazou 2010-07-28 10:03:00 +00:00 • committed by Eric Botcazou
parent eea13eaddc
commit c2cf2f4a61
2 changed files with 8 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-07-28 Eric Botcazou <ebotcazou@adacore.com>
PR tree-optimization/44885
* tree-sra.c (find_param_candidates): Skip pointer types to arrays
with non-aliased component.
2010-07-28 Joseph Myers <joseph@codesourcery.com>
* config/darwin-driver.c (SWITCH_TAKES_ARG,

2
gcc/tree-sra.c
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@ -3147,6 +3147,8 @@ find_param_candidates (void)
if (TREE_CODE (type) == FUNCTION_TYPE
|| TYPE_VOLATILE (type)
|| (TREE_CODE (type) == ARRAY_TYPE
&& TYPE_NONALIASED_COMPONENT (type))
|| !is_gimple_reg (parm)
|| is_va_list_type (type)
|| ptr_parm_has_direct_uses (parm))