Allow Microsoft attributes in a constructor's parameter list.

This fixes a few compile errors when parsing <regex> from MSVC 2008 with clang.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124573 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 12 insertions, 0 deletions

diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index c4fce66b65..24e41d0737 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -2512,6 +2512,10 @@ bool Parser::isConstructorDeclarator() {
   if (SS.isSet() && Actions.ShouldEnterDeclaratorScope(getCurScope(), SS))
     DeclScopeObj.EnterDeclaratorScope();
 
+  // Optionally skip Microsoft attributes.
+  ParsedAttributes Attrs;
+  MaybeParseMicrosoftAttributes(Attrs);
+
   // Check whether the next token(s) are part of a declaration
   // specifier, in which case we have the start of a parameter and,
   // therefore, we know that this is a constructor.
diff --git a/test/Parser/MicrosoftExtensions.cpp b/test/Parser/MicrosoftExtensions.cpp
index 1d5811496a..fd0d7d50d0 100644
--- a/test/Parser/MicrosoftExtensions.cpp
+++ b/test/Parser/MicrosoftExtensions.cpp
@@ -22,6 +22,14 @@ extern "C" {
   int foo5([SA_Post(attr=1)] void *param);
 }
 
+class class_attr {
+public:
+  class_attr([SA_Pre(Null=SA_No,NullTerminated=SA_Yes)]  int a)
+  {
+  }
+};
+
+
 
 void uuidof_test1()
 {