From a6cc82114d63a2ef286cc38cf0cf43355f7dc950 Mon Sep 17 00:00:00 2001 From: David Blaikie Date: Wed, 28 Aug 2013 20:58:00 +0000 Subject: More comments for r189494. llvm-svn: 189516 --- clang/lib/CodeGen/CGDebugInfo.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'clang') diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp index f9570abef74..e1a9ae1a916 100644 --- a/clang/lib/CodeGen/CGDebugInfo.cpp +++ b/clang/lib/CodeGen/CGDebugInfo.cpp @@ -1123,9 +1123,12 @@ CollectCXXMemberFunctions(const CXXRecordDecl *RD, llvm::DIFile Unit, for(DeclContext::decl_iterator I = RD->decls_begin(), E = RD->decls_end(); I != E; ++I) { if (const CXXMethodDecl *Method = dyn_cast(*I)) { - // Reuse the existing member function declaration if it exists + // Reuse the existing member function declaration if it exists. // It may be associated with the declaration of the type & should be // reused as we're building the definition. + // + // This situation can arise in the vtable-based debug info reduction where + // implicit members are emitted in a non-vtable TU. llvm::DenseMap::iterator MI = SPCache.find(Method->getCanonicalDecl()); if (MI == SPCache.end()) { -- cgit v1.2.3