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PR c++/80244 - ICE with attribute in template alias.

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* tree.c (strip_typedefs): Handle UNDERLYING_TYPE.

	* g++.dg/cpp0x/alias-decl-59.C: New test.

From-SVN: r246962
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Marek Polacek 2017-04-18 09:34:10 +00:00 • committed by Marek Polacek
parent 6397118495
commit be7c73ae35
4 changed files with 25 additions and 0 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2017-04-18 Marek Polacek <polacek@redhat.com>
PR c++/80244 - ICE with attribute in template alias.
* tree.c (strip_typedefs): Handle UNDERLYING_TYPE.
2017-04-17 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/80287

4
gcc/cp/tree.c
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@ -1551,6 +1551,10 @@ strip_typedefs (tree t, bool *remove_attributes)
DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P (t),
tf_none));
break;
case UNDERLYING_TYPE:
type = strip_typedefs (UNDERLYING_TYPE_TYPE (t), remove_attributes);
result = finish_underlying_type (type);
break;
default:
break;
}

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2017-04-18 Marek Polacek <polacek@redhat.com>
PR c++/80244 - ICE with attribute in template alias.
* g++.dg/cpp0x/alias-decl-59.C: New test.
2017-04-17 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/80287

11
gcc/testsuite/g++.dg/cpp0x/alias-decl-59.C Normal file
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@ -0,0 +1,11 @@
// PR c++/80244
// { dg-do compile { target c++11 } }
template<typename>
struct A {};
template<typename T>
using B = A<__underlying_type(T) [[gnu::aligned(4)]]>; // { dg-warning "ignoring attributes on template argument" }
template<typename T>
using B = A<__underlying_type(T) [[gnu::packed]]>; // { dg-warning "ignoring attributes on template argument" }