Make Value::getNameLen not crash on an empty name, fixing PR1712.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42444 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/VMCore/Value.cpp b/lib/VMCore/Value.cpp
index 4bacc2949d4a4215a10f707ebeb0544b64573abc..0150c7e6e96a00f0c56562d70dc04d54e48e8378 100644 (file)
--- a/lib/VMCore/Value.cpp
+++ b/lib/VMCore/Value.cpp
@@ -128,7 +128,7 @@ const char *Value::getNameStart() const {
 /// getNameLen - Return the length of the string, correctly handling nul
 /// characters embedded into them.
 unsigned Value::getNameLen() const {
-  return Name->getKeyLength();
+  return Name ? Name->getKeyLength() : 0;
 }