enhance tentative parsing to handle ms extensions, patch by Martin Vejnar!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseTentative.cpp b/lib/Parse/ParseTentative.cpp
index 085edb1..43d856d 100644
--- a/lib/Parse/ParseTentative.cpp
+++ b/lib/Parse/ParseTentative.cpp
@@ -532,7 +532,12 @@
       // '(' declarator ')'
       // '(' attributes declarator ')'
       // '(' abstract-declarator ')'
-      if (Tok.is(tok::kw___attribute))
+      if (Tok.is(tok::kw___attribute) ||
+          Tok.is(tok::kw___declspec) ||
+          Tok.is(tok::kw___cdecl) ||
+          Tok.is(tok::kw___stdcall) ||
+          Tok.is(tok::kw___fastcall) ||
+          Tok.is(tok::kw___thiscall))
         return TPResult::True(); // attributes indicate declaration
       TPResult TPR = TryParseDeclarator(mayBeAbstract, mayHaveIdentifier);
       if (TPR != TPResult::Ambiguous())
diff --git a/test/Parser/MicrosoftExtensions.c b/test/Parser/MicrosoftExtensions.c
index 105bb7f..3dfa241 100644
--- a/test/Parser/MicrosoftExtensions.c
+++ b/test/Parser/MicrosoftExtensions.c
@@ -30,6 +30,10 @@
 
 typedef bool (__stdcall __stdcall *blarg)(int);
 
+void local_callconv()
+{
+  bool (__stdcall *p)(int);
+}
 
 // Charify extension.
 #define FOO(x) #@x