Index: include/llvm/MC/MCContext.h
===================================================================
--- include/llvm/MC/MCContext.h
+++ include/llvm/MC/MCContext.h
@@ -213,6 +213,8 @@
     /// Do automatic reset in destructor
     bool AutoReset;
 
+    bool HadError;
+
     MCSymbol *createSymbolImpl(const StringMapEntry<bool> *Name,
                                bool CanBeUnnamed);
     MCSymbol *createSymbol(StringRef Name, bool AlwaysAddSuffix,
@@ -514,11 +516,13 @@
     }
     void deallocate(void *Ptr) {}
 
+    bool hadError() { return HadError; }
+    void reportError(SMLoc L, const Twine &Msg);
     // Unrecoverable error has occurred. Display the best diagnostic we can
     // and bail via exit(1). For now, most MC backend errors are unrecoverable.
     // FIXME: We should really do something about that.
     LLVM_ATTRIBUTE_NORETURN void reportFatalError(SMLoc L,
-                                                  const Twine &Msg) const;
+                                                  const Twine &Msg);
   };
 
 } // end namespace llvm
Index: lib/MC/MCContext.cpp
===================================================================
--- lib/MC/MCContext.cpp
+++ lib/MC/MCContext.cpp
@@ -42,7 +42,7 @@
       CurrentDwarfLoc(0, 0, 0, DWARF2_FLAG_IS_STMT, 0, 0), DwarfLocSeen(false),
       GenDwarfForAssembly(false), GenDwarfFileNumber(0), DwarfVersion(4),
       AllowTemporaryLabels(true), DwarfCompileUnitID(0),
-      AutoReset(DoAutoReset) {
+      AutoReset(DoAutoReset), HadError(false) {
 
   std::error_code EC = llvm::sys::fs::current_path(CompilationDir);
   if (EC)
@@ -102,6 +102,8 @@
   DwarfLocSeen = false;
   GenDwarfForAssembly = false;
   GenDwarfFileNumber = 0;
+
+  HadError = false;
 }
 
 //===----------------------------------------------------------------------===//
@@ -475,14 +477,24 @@
       [&](MCSection *Sec) { return !MCOS.mayHaveInstructions(*Sec); });
 }
 
-void MCContext::reportFatalError(SMLoc Loc, const Twine &Msg) const {
-  // If we have a source manager and a location, use it. Otherwise just
-  // use the generic report_fatal_error().
-  if (!SrcMgr || Loc == SMLoc())
+//===----------------------------------------------------------------------===//
+// Error Reporting
+//===----------------------------------------------------------------------===//
+
+void MCContext::reportError(SMLoc Loc, const Twine &Msg) {
+  HadError = true;
+
+  // If we have a source manager use it. Otherwise just use the generic
+  // report_fatal_error().
+  if (!SrcMgr)
     report_fatal_error(Msg, false);
 
   // Use the source manager to print the message.
   SrcMgr->PrintMessage(Loc, SourceMgr::DK_Error, Msg);
+}
+
+void MCContext::reportFatalError(SMLoc Loc, const Twine &Msg) {
+  reportError(Loc, Msg);
 
   // If we reached here, we are failing ungracefully. Run the interrupt handlers
   // to make sure any special cleanups get done, in particular that we remove
Index: lib/MC/MCParser/AsmParser.cpp
===================================================================
--- lib/MC/MCParser/AsmParser.cpp
+++ lib/MC/MCParser/AsmParser.cpp
@@ -703,7 +703,7 @@
   if (!HadError && !NoFinalize)
     Out.Finish();
 
-  return HadError;
+  return HadError || getContext().hadError();
 }
 
 void AsmParser::checkForValidSection() {
Index: test/MC/Mips/micromips-diagnostic-fixup.s
===================================================================
--- test/MC/Mips/micromips-diagnostic-fixup.s
+++ test/MC/Mips/micromips-diagnostic-fixup.s
@@ -1,6 +1,6 @@
 # RUN: not llvm-mc %s -triple=mipsel-unknown-linux -mcpu=mips32r2 -arch=mips -mattr=+micromips 2>&1 -filetype=obj | FileCheck %s
 #
-# CHECK: LLVM ERROR: out of range PC16 fixup
+# CHECK: error: out of range PC16 fixup
 
 .text
   b foo
Index: test/MC/Mips/mips-diagnostic-fixup.s
===================================================================
--- test/MC/Mips/mips-diagnostic-fixup.s
+++ test/MC/Mips/mips-diagnostic-fixup.s
@@ -1,6 +1,6 @@
 # RUN: not llvm-mc %s -triple=mipsel-unknown-linux -mcpu=mips32r2 -arch=mips 2>&1 -filetype=obj | FileCheck %s
 #
-# CHECK: LLVM ERROR: out of range PC16 fixup
+# CHECK: error: out of range PC16 fixup
 
 .text
   b foo