diff --git a/llvm/unittests/Support/LEB128Test.cpp b/llvm/unittests/Support/LEB128Test.cpp
--- a/llvm/unittests/Support/LEB128Test.cpp
+++ b/llvm/unittests/Support/LEB128Test.cpp
@@ -114,7 +114,7 @@
   } while (0)
 
   // Don't crash
-  decodeULEB128(nullptr);
+  EXPECT_EQ(0u, decodeULEB128(nullptr, nullptr, nullptr));
 
   // Decode ULEB128
   EXPECT_DECODE_ULEB128_EQ(0u, "\x00");
@@ -152,7 +152,7 @@
   } while (0)
 
   // Don't crash
-  decodeSLEB128(nullptr);
+  EXPECT_EQ(0, decodeSLEB128(nullptr, nullptr, nullptr));
 
   // Decode SLEB128
   EXPECT_DECODE_SLEB128_EQ(0L, "\x00");