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re PR c++/56177 (ICE when used forward for 'auto f();')

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PR c++/56177
	* decl.c (start_preparsed_function): Update restype if we change
	decl1.

From-SVN: r195780
This commit is contained in:
Jason Merrill 2013-02-05 22:33:55 -05:00 committed by Jason Merrill
parent 29ef6cd035
commit a283c40761
3 changed files with 10 additions and 0 deletions
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4
gcc/cp/ChangeLog
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@ -1,5 +1,9 @@
2013-02-05 Jason Merrill <jason@redhat.com>
PR c++/56177
* decl.c (start_preparsed_function): Update restype if we change
decl1.
PR c++/56208
* pt.c (fn_type_unification): Discard any access checks from
substituting explicit args.

1
gcc/cp/decl.c
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@ -13116,6 +13116,7 @@ start_preparsed_function (tree decl1, tree attrs, int flags)
DECL_CONTEXT (decl1) = DECL_CONTEXT (DECL_TI_TEMPLATE (decl1));
}
fntype = TREE_TYPE (decl1);
restype = TREE_TYPE (fntype);
/* If #pragma weak applies, mark the decl appropriately now.
The pragma only applies to global functions. Because

5
gcc/testsuite/g++.dg/cpp1y/auto-fn14.C Normal file
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@ -0,0 +1,5 @@
// PR c++/56177
// { dg-options "-std=c++1y" }
auto f ();
auto f () { return 33; }