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re PR middle-end/79732 (ICE in set_ssa_default_def, at tree-dfa.c:327)

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2017-02-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79732
	* tree-inline.c (expand_call_inline): Do not shadow var.

	* gcc.dg/torture/pr79732.c: New testcase.

From-SVN: r245773
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Richard Biener 2017-02-28 12:38:57 +00:00 committed by Richard Biener
parent c7d97b2846
commit dd3f45609c
4 changed files with 16 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2017-02-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/79732
* tree-inline.c (expand_call_inline): Do not shadow var.
2017-02-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/79723

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2017-02-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/79732
* gcc.dg/torture/pr79732.c: New testcase.
2017-02-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/79723

5
gcc/testsuite/gcc.dg/torture/pr79732.c Normal file
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@ -0,0 +1,5 @@
/* { dg-do link } */
int bar () __attribute__ ((alias ("foo")));
void foo () { }
int main () { return bar(); }

2
gcc/tree-inline.c
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@ -4782,7 +4782,7 @@ expand_call_inline (basic_block bb, gimple *stmt, copy_body_data *id)
{
if (!var)
{
tree var = create_tmp_reg_fn (cfun, TREE_TYPE (name), NULL);
var = create_tmp_reg_fn (cfun, TREE_TYPE (name), NULL);
SET_SSA_NAME_VAR_OR_IDENTIFIER (name, var);
}
/* Otherwise make this variable undefined. */