From: Steve Naroff <snaroff@apple.com>
Date: Wed, 6 Aug 2008 15:58:23 +0000 (+0000)
Subject: Fix for <rdar://problem/6113807> clang ObjC rewriter: crash rewriting attached file
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=aba49d10daaedbc9e8bf6f4c6bfbfa6ea668baa6;p=clang

Fix for <rdar://problem/6113807> clang ObjC rewriter: crash rewriting attached file

While this is a safe rewriter fix, there is still a need for some discussion (see report for more info).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54412 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/Driver/RewriteObjC.cpp b/Driver/RewriteObjC.cpp
index b83200e16e..408860e7e7 100644
--- a/Driver/RewriteObjC.cpp
+++ b/Driver/RewriteObjC.cpp
@@ -1692,7 +1692,9 @@ void RewriteObjC::RewriteObjCQualifiedInterfaceTypes(Decl *Dcl) {
       startBuf = ++endBuf;
     }
     else {
-      while (*startBuf != ')' && *startBuf != ',')
+      // If the function name is derived from a macro expansion, then the
+      // argument buffer will not follow the name. Need to speak with Chris.
+      while (*startBuf && *startBuf != ')' && *startBuf != ',')
         startBuf++; // scan forward (from the decl location) for argument types.
       startBuf++;
     }