Use report_fatal_error instead of llvm_unreachable, so we don't crash on user input

llvm-svn: 226248

3 files changed, 2 insertions, 1 deletions

diff --git a/llvm/include/llvm/Bitcode/BitCodes.h b/llvm/include/llvm/Bitcode/BitCodes.h
index ed2dcf84f92..3f7a77d592c 100644
--- a/llvm/include/llvm/Bitcode/BitCodes.h
+++ b/llvm/include/llvm/Bitcode/BitCodes.h
@@ -125,7 +125,7 @@ public:
     case Blob:
       return false;
     }
-    llvm_unreachable("Invalid encoding");
+    report_fatal_error("Invalid encoding");
   }
 
   /// isChar6 - Return true if this character is legal in the Char6 encoding.
diff --git a/llvm/test/Bitcode/Inputs/invalid-pr20485.bc b/llvm/test/Bitcode/Inputs/invalid-pr20485.bc
new file mode 100644
index 00000000000..b6211de88ff
--- /dev/null
+++ b/llvm/test/Bitcode/Inputs/invalid-pr20485.bc
diff --git a/llvm/test/Bitcode/invalid.test b/llvm/test/Bitcode/invalid.test
new file mode 100644
index 00000000000..5f88da45f6a
--- /dev/null
+++ b/llvm/test/Bitcode/invalid.test
@@ -0,0 +1 @@
+RUN: not llvm-dis -disable-output %p/Inputs/invalid-pr20485.bc