GCC fails if there is a trailing colon but no clobbers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44265 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 10 insertions, 7 deletions

diff --git a/Parse/ParseStmt.cpp b/Parse/ParseStmt.cpp
index 8d5be6868c..6f871da118 100644
--- a/Parse/ParseStmt.cpp
+++ b/Parse/ParseStmt.cpp
@@ -957,14 +957,12 @@ Parser::StmtResult Parser::ParseAsmStatement() {
   if (Tok.is(tok::colon)) {
     ConsumeToken();
     
-    if (isTokenStringLiteral()) {
-      // Parse the asm-string list for clobbers.
-      while (1) {
-        ParseAsmStringLiteral();
+    // Parse the asm-string list for clobbers.
+    while (1) {
+      ParseAsmStringLiteral();
 
-        if (Tok.isNot(tok::comma)) break;
-        ConsumeToken();
-      }
+      if (Tok.isNot(tok::comma)) break;
+      ConsumeToken();
     }
   }
   
diff --git a/test/Parser/asm.c b/test/Parser/asm.c
new file mode 100644
index 0000000000..a09b545a8e
--- /dev/null
+++ b/test/Parser/asm.c
@@ -0,0 +1,5 @@
+// RUN: clang -fsyntax-only -verify %s
+
+void f1() {
+  asm ("ret" : : :); // expected-error {{expected string literal}}
+}