Blame SOURCES/gcc48-pr53658.patch
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2013-06-07 Paolo Carlini <paolo.carlini@oracle.com>
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PR c++/53658
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* pt.c (lookup_template_class_1): Consistently use TYPE_MAIN_DECL,
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not TYPE_STUB_DECL, to access the _DECL for a _TYPE.
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--- gcc/cp/pt.c
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+++ gcc/cp/pt.c
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@@ -7561,7 +7561,7 @@ lookup_template_class_1 (tree d1, tree arglist, tree in_decl, tree context,
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if (CLASS_TYPE_P (template_type) && is_dependent_type)
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/* If the type makes use of template parameters, the
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code that generates debugging information will crash. */
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- DECL_IGNORED_P (TYPE_STUB_DECL (t)) = 1;
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+ DECL_IGNORED_P (TYPE_MAIN_DECL (t)) = 1;
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/* Possibly limit visibility based on template args. */
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TREE_PUBLIC (type_decl) = 1;
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--- /dev/null
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+++ gcc/testsuite/g++.dg/cpp0x/alias-decl-36.C
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@@ -0,0 +1,6 @@
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+// PR c++/53658
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+// { dg-do compile { target c++11 } }
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+
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+struct A;
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+template <typename> using Foo = const A;
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+template <typename Item> Foo <Item> bar();
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