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re PR c++/61402 (-Wsequence-point doesn't notice unsequenced lambda init and function argument)

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PR c++/61402
	* lambda.c (add_capture): Don't pass a dependent type to
	variably_modified_type_p.

From-SVN: r218680
This commit is contained in:
Jason Merrill 2014-12-12 11:43:16 -05:00 committed by Jason Merrill
parent 0f3d27f01a
commit 18e780d460
3 changed files with 28 additions and 1 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2014-12-12 Jason Merrill <jason@redhat.com>
PR c++/61402
* lambda.c (add_capture): Don't pass a dependent type to
variably_modified_type_p.
2014-12-11 Jason Merrill <jason@redhat.com>
Remove N3639 "array of runtime length" from -std=c++14.

3
gcc/cp/lambda.c
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@ -483,7 +483,8 @@ add_capture (tree lambda, tree id, tree orig_init, bool by_reference_p,
NULL_TREE, array_type_nelts (type));
type = vla_capture_type (type);
}
else if (variably_modified_type_p (type, NULL_TREE))
else if (!dependent_type_p (type)
&& variably_modified_type_p (type, NULL_TREE))
{
error ("capture of variable-size type %qT that is not an N3639 array "
"of runtime bound", type);

20
gcc/testsuite/g++.dg/cpp1y/lambda-init11.C Normal file
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@ -0,0 +1,20 @@
// PR c++/61402
// { dg-do run { target c++14 } }
extern "C" void abort();
template<typename T>
void foo(T t) {
auto test = [ i = ++t ](T v) {
if (i != v)
abort();
};
test(t);
}
int main(){
foo(3.14f);
foo(0);
foo('a');
foo(false);
}