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re PR c++/58705 ([c++11] ICE with invalid initializer for _Complex variable)

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PR c++/58705
cp/
	* typeck2.c (check_narrowing): Don't check narrowing when the scalar
	initializer is empty.
testsuite/
	* g++.dg/parse/pr58705.C: New test.

From-SVN: r204014
This commit is contained in:
Marek Polacek 2013-10-24 13:54:00 +00:00 committed by Marek Polacek
parent 8e701300d2
commit 320a9762ee
4 changed files with 18 additions and 1 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2013-10-24 Marek Polacek <polacek@redhat.com>
PR c++/58705
* typeck2.c (check_narrowing): Don't check narrowing when the scalar
initializer is empty.
2013-10-23 Jason Merrill <jason@redhat.com>
LWG 2165

3
gcc/cp/typeck2.c
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@ -834,7 +834,8 @@ check_narrowing (tree type, tree init)
&& TREE_CODE (type) == COMPLEX_TYPE)
{
tree elttype = TREE_TYPE (type);
check_narrowing (elttype, CONSTRUCTOR_ELT (init, 0)->value);
if (CONSTRUCTOR_NELTS (init) > 0)
check_narrowing (elttype, CONSTRUCTOR_ELT (init, 0)->value);
if (CONSTRUCTOR_NELTS (init) > 1)
check_narrowing (elttype, CONSTRUCTOR_ELT (init, 1)->value);
return;

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2013-10-24 Marek Polacek <polacek@redhat.com>
PR c++/58705
* g++.dg/parse/pr58705.C: New test.
2013-10-24 Marek Polacek <polacek@redhat.com>
* gcc.dg/c11-align-5.c: Add more testing.

5
gcc/testsuite/g++.dg/parse/pr58705.C Normal file
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@ -0,0 +1,5 @@
// PR c++/58705
// { dg-do compile }
// { dg-options "-Wnarrowing" }
_Complex float f = {{}};