[IRObjectFile] Turn llvm_unreachable("foo") into something more explicative.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281742 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Object/IRObjectFile.cpp b/lib/Object/IRObjectFile.cpp
index d4eac8cfd43fd87a625feb910c9bf9be3ce80d69..a757fed81247ac7f56b1910771a891ee6c095c28 100644 (file)
--- a/lib/Object/IRObjectFile.cpp
+++ b/lib/Object/IRObjectFile.cpp
@@ -102,7 +102,7 @@ void IRObjectFile::CollectAsmUndefinedRefs(
     uint32_t Res = BasicSymbolRef::SF_None;
     switch (Value) {
     case RecordStreamer::NeverSeen:
-      llvm_unreachable("foo");
+      llvm_unreachable("NeverSeen should have been replaced earlier");
     case RecordStreamer::DefinedGlobal:
       Res |= BasicSymbolRef::SF_Global;
       break;