Accept gcc attributes in cv-qualifiers.

tests/auto/cplusplus/ast/ast.pro

@@ -1,5 +1,4 @@
 load(qttest_p4)
 include(../shared/shared.pri)
 QT = core
-
 SOURCES += tst_ast.cpp

tests/auto/cplusplus/ast/tst_ast.cpp

@@ -36,6 +36,9 @@ public:
     { return parse(source, TranslationUnit::ParseStatement); }
 
 private slots:
+    // declarations
+    void gcc_attributes_1();
+
     // expressions
     void simple_name();
     void template_id();
@@ -54,6 +57,13 @@ private slots:
     void objc_protocol_definition_1();
 };
 
+void tst_AST::gcc_attributes_1()
+{
+    QSharedPointer<TranslationUnit> unit(parseDeclaration("\n"
+"static inline void *__attribute__((__always_inline__)) _mm_malloc(size_t size, size_t align);"
+    ));
+}
+
 void tst_AST::simple_name()
 {
     QSharedPointer<TranslationUnit> unit(parseExpression("a"));