From 3bd9dcc08f1fc3431b6efdafcc005815141462b7 Mon Sep 17 00:00:00 2001 From: Ted Kremenek Date: Thu, 25 Oct 2007 23:40:35 +0000 Subject: Updated backpatching during object deserialization to support "smart" pointers that employ unused bits in a pointer to store extra data. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43373 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Bitcode/Reader/Deserialize.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'lib/Bitcode/Reader') diff --git a/lib/Bitcode/Reader/Deserialize.cpp b/lib/Bitcode/Reader/Deserialize.cpp index 3e16027839..66df46ea23 100644 --- a/lib/Bitcode/Reader/Deserialize.cpp +++ b/lib/Bitcode/Reader/Deserialize.cpp @@ -126,7 +126,9 @@ void Deserializer::BackpatchPointers() { assert (Entry.Ptr && "No pointer found for backpatch."); for (BPatchNode* N = Entry.Head; N != NULL; N = N->Next) - N->PtrRef = Entry.Ptr; + // Bitwise-OR in the pointer to support "smart" pointers that use + // unused bits to store extra data. + N->PtrRef |= reinterpret_cast(Entry.Ptr); Entry.Head = NULL; } -- cgit v1.2.3-70-g09d2