Fix MSVC "not all control paths return a value" warning. NFC.

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/unittests/CodeGen/RegAllocScoreTest.cpp b/llvm/unittests/CodeGen/RegAllocScoreTest.cpp
index 06e9180207b8..ae5db2d8a24e 100644
--- a/llvm/unittests/CodeGen/RegAllocScoreTest.cpp
+++ b/llvm/unittests/CodeGen/RegAllocScoreTest.cpp
@@ -145,7 +145,7 @@ TEST(RegAllocScoreTest, Counts) {
       return Freq1;
     if (&MBB == MBB2)
       return Freq2;
-    assert(false && "We only created 2 basic blocks");
+    llvm_unreachable("We only created 2 basic blocks");
   };
   auto Next = MBB1->end();
   Next = MBB1->insertAfter(Next, createMockCopy(*MF));