MipsISelLowering.cpp: Fill unreachable paths to fix warnings. [-Wsometimes-uninitialized]

FIXME: Could they, unreachable(s), be removed?
FIXME: I could prefer the coding standards...
llvm-svn: 173325
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp
index 5399b45..f37b652f 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp
@@ -2917,6 +2917,12 @@
                (RetTy->getContainedType(1)->isDoubleTy())) {
         result = dcMips16Helper[stubNum];
       }
+      else {
+        llvm_unreachable("Uncovered condition");
+      }
+    }
+    else {
+      llvm_unreachable("Uncovered condition");
     }
   }
   else {