diff --git a/lib/MC/MCParser/DarwinAsmParser.cpp b/lib/MC/MCParser/DarwinAsmParser.cpp
index e1f49c2609d..f01f866846d 100644
--- a/lib/MC/MCParser/DarwinAsmParser.cpp
+++ b/lib/MC/MCParser/DarwinAsmParser.cpp
@@ -434,7 +434,8 @@ bool DarwinAsmParser::ParseDirectiveSection(StringRef, SMLoc) {
 
 
   StringRef Segment, Section;
-  unsigned TAA, StubSize;
+  unsigned StubSize;
+  unsigned TAA = 0;
   std::string ErrorStr =
     MCSectionMachO::ParseSectionSpecifier(SectionSpec, Segment, Section,
                                           TAA, StubSize);
diff --git a/test/MC/MachO/section-attributes.s b/test/MC/MachO/section-attributes.s
new file mode 100644
index 00000000000..b21ef38ac56
--- /dev/null
+++ b/test/MC/MachO/section-attributes.s
@@ -0,0 +1,7 @@
+// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o %t
+// RUN: macho-dump %t | FileCheck %s
+
+// CHECK: # Section 1
+// CHECK: ('flags', 0x0)
+.section __TEXT,__objc_opt_ro
+.long 0