3 files changed, 7 insertions, 0 deletions
diff --git a/clang/lib/Parse/ParseDecl.cpp b/clang/lib/Parse/ParseDecl.cpp
index 3b65ee0ba78..c4126f3bb46 100644
--- a/clang/lib/Parse/ParseDecl.cpp
+++ b/clang/lib/Parse/ParseDecl.cpp
@@ -1353,6 +1353,7 @@ bool Parser::isDeclarationSpecifier() {
   case tok::less:
     return getLang().ObjC1;
     
+  case tok::kw___declspec:
   case tok::kw___cdecl:
   case tok::kw___stdcall:
   case tok::kw___fastcall:
diff --git a/clang/lib/Parse/ParseTentative.cpp b/clang/lib/Parse/ParseTentative.cpp
index 11df2f45cea..a7c3e389319 100644
--- a/clang/lib/Parse/ParseTentative.cpp
+++ b/clang/lib/Parse/ParseTentative.cpp
@@ -626,6 +626,7 @@ Parser::TPResult Parser::isCXXDeclarationSpecifier() {
     return TPResult::True();
     
     // Microsoft
+  case tok::kw___declspec:
   case tok::kw___cdecl:
   case tok::kw___stdcall:
   case tok::kw___fastcall:
diff --git a/clang/test/Parser/MicrosoftExtensions.c b/clang/test/Parser/MicrosoftExtensions.c
index 6b097ab7a8d..beeef0a9f55 100644
--- a/clang/test/Parser/MicrosoftExtensions.c
+++ b/clang/test/Parser/MicrosoftExtensions.c
@@ -21,3 +21,8 @@ __forceinline InterlockedBitTestAndSet (long *Base, long Bit)
     };
 }
 
+void *_alloca(int);
+
+void foo() {
+	__declspec(align(16)) int *buffer = (int *)_alloca(9);
+}