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C++ PATCH for c++/55670 (wrong error with function pointer member and nsdmi)

Message ID 511C683C.3060306@redhat.com
State New
Headers show

Commit Message

Jason Merrill Feb. 14, 2013, 4:29 a.m. UTC 
cp_parser_member_declaration was seeing that the type-specifier in the 
declaration had function type and concluded from that that the 
declaration would have function type, without noticing that the 
declarator isn't a simple identifier.  We should check that.

Tested x86_64-pc-linux-gnu, applying to trunk.
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Patch

commit 96ded20a00ed98805f6ffb5b1b7babcb15d246c5
Author: Jason Merrill <jason@redhat.com>
Date:   Wed Feb 13 13:30:05 2013 -0500

    	PR c++/55670
    	* parser.c (cp_parser_member_declaration): Check the declarator
    	form when detecting a function declaration via typedef.

diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index 402f384..d18e027 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -19366,6 +19366,7 @@  cp_parser_member_declaration (cp_parser* parser)
 		  if (function_declarator_p (declarator)
 		      || (decl_specifiers.type
 			  && TREE_CODE (decl_specifiers.type) == TYPE_DECL
+			  && declarator->kind == cdk_id
 			  && (TREE_CODE (TREE_TYPE (decl_specifiers.type))
 			      == FUNCTION_TYPE)))
 		    initializer = cp_parser_pure_specifier (parser);
diff --git a/gcc/testsuite/g++.dg/cpp0x/nsdmi8.C b/gcc/testsuite/g++.dg/cpp0x/nsdmi8.C
new file mode 100644
index 0000000..f89bec6
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/nsdmi8.C
@@ -0,0 +1,8 @@ 
+// PR c++/55670
+// { dg-do compile { target c++11 } }
+
+template <class T> using F = T;
+struct X {
+    F<void ()>* fp = nullptr;
+};
+int main () { return 0; }