CrashRecoveryContext: Add missing return, so that the signal fires after we our
routine is off the stack. Otherwise we show up rather confusingly in the stack
trace.

llvm-svn: 116755
diff --git a/llvm/lib/Support/CrashRecoveryContext.cpp b/llvm/lib/Support/CrashRecoveryContext.cpp
index 49258ed..93af79b 100644
--- a/llvm/lib/Support/CrashRecoveryContext.cpp
+++ b/llvm/lib/Support/CrashRecoveryContext.cpp
@@ -128,6 +128,9 @@
     // This call of Disable isn't thread safe, but it doesn't actually matter.
     CrashRecoveryContext::Disable();
     raise(Signal);
+
+    // The signal will be thrown once the signal mask is restored.
+    return;
   }
 
   // Unblock the signal we received.