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re PR c++/55419 (ICE in gimplify_init_ctor_preeval, at gimplify.c:3587)

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PR c++/55419
	* tree.c (build_target_expr): Don't set TREE_CONSTANT.

From-SVN: r194317
This commit is contained in:
Jason Merrill 2012-12-07 22:31:25 -05:00 committed by Jason Merrill
parent 3da2b176b3
commit 4eaee921fa
3 changed files with 32 additions and 2 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2012-12-07 Jason Merrill <jason@redhat.com>
PR c++/55419
* tree.c (build_target_expr): Don't set TREE_CONSTANT.
2012-12-07 Aldy Hernandez <aldyh@redhat.com>
PR c++/55513

2
gcc/cp/tree.c
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@ -329,8 +329,6 @@ build_target_expr (tree decl, tree value, tsubst_flags_t complain)
side-effects, then the optimizer should be able to get rid of
whatever code is generated anyhow. */
TREE_SIDE_EFFECTS (t) = 1;
if (literal_type_p (type))
TREE_CONSTANT (t) = TREE_CONSTANT (value);
return t;
}

27
gcc/testsuite/g++.dg/cpp0x/constexpr-initlist6.C Normal file
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@ -0,0 +1,27 @@
// PR c++/55419
// { dg-options -std=c++11 }
struct P
{
P () = default;
explicit constexpr P (int x) : p (x) {}
int p;
};
struct Q
{
constexpr Q () : q (0x7f) {}
int q;
};
struct R
{
Q q;
P p;
};
void
foo (R *x)
{
*x = {};
}