Clarify an assert.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100776 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CGVtable.cpp b/lib/CodeGen/CGVtable.cpp
index e23289a01ab08617d32c990b7bdc3795180baf06..c157a5e4dd770973ae1bc1a1edc4c77f3cb1d64b 100644 (file)
--- a/lib/CodeGen/CGVtable.cpp
+++ b/lib/CodeGen/CGVtable.cpp
@@ -2544,6 +2544,9 @@ int64_t CodeGenVTables::getVirtualBaseOffsetOffset(const CXXRecordDecl *RD,
 
 uint64_t
 CodeGenVTables::getAddressPoint(BaseSubobject Base, const CXXRecordDecl *RD) {
+  assert(AddressPoints.count(std::make_pair(RD, Base)) &&
+         "Did not find address point!");
+
   uint64_t AddressPoint = AddressPoints.lookup(std::make_pair(RD, Base));
   assert(AddressPoint && "Address point must not be zero!");