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| author | Daniel Dunbar <daniel@zuster.org> | 2009-03-02 07:00:57 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2009-03-02 07:00:57 +0000 |
| commit | 82573ee7419091e5ec87e2f4fa254c7a285781d6 (patch) | |
| tree | f45ecc70171c05c92f6e2a2d232977c67ee17f75 /lib/CodeGen/CGBlocks.cpp | |
| parent | e1bd4e6d7c5b13462f83245865f7d9e9b6ea8486 (diff) | |
Avoid crash when child iterator gives null result.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65812 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGBlocks.cpp')
| -rw-r--r-- | lib/CodeGen/CGBlocks.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/CGBlocks.cpp b/lib/CodeGen/CGBlocks.cpp index e50b320a0c..ee17a862b1 100644 --- a/lib/CodeGen/CGBlocks.cpp +++ b/lib/CodeGen/CGBlocks.cpp @@ -111,7 +111,8 @@ static void CollectBlockDeclRefInfo(const Stmt *S, CodeGenFunction::BlockInfo &Info) { for (Stmt::const_child_iterator I = S->child_begin(), E = S->child_end(); I != E; ++I) - CollectBlockDeclRefInfo(*I, Info); + if (*I) + CollectBlockDeclRefInfo(*I, Info); if (const BlockDeclRefExpr *DE = dyn_cast<BlockDeclRefExpr>(S)) { // FIXME: Handle enums. |