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| author | Ted Kremenek <kremenek@apple.com> | 2012-10-11 19:06:43 +0000 |
|---|---|---|
| committer | Ted Kremenek <kremenek@apple.com> | 2012-10-11 19:06:43 +0000 |
| commit | 241f1ef4cce7d96c800aeb0723120e949b83ca32 (patch) | |
| tree | 04dffba7af8247105123ff70197503d8f231ee2c /clang/lib/Sema/SemaChecking.cpp | |
| parent | 9f57186983acb14b939ebcce02080de503e1dca2 (diff) | |
| download | bcm5719-llvm-241f1ef4cce7d96c800aeb0723120e949b83ca32.tar.gz bcm5719-llvm-241f1ef4cce7d96c800aeb0723120e949b83ca32.zip | |
Add null check for malformed code.
llvm-svn: 165733
Diffstat (limited to 'clang/lib/Sema/SemaChecking.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaChecking.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp index 480088619cf..6a39ff003c0 100644 --- a/clang/lib/Sema/SemaChecking.cpp +++ b/clang/lib/Sema/SemaChecking.cpp @@ -510,8 +510,11 @@ void Sema::checkCall(NamedDecl *FDecl, Expr **Args, // Refuse POD arguments that weren't caught by the format string // checks above. if (!HandledFormatString && CallType != VariadicDoesNotApply) - for (unsigned ArgIdx = NumProtoArgs; ArgIdx < NumArgs; ++ArgIdx) - variadicArgumentPODCheck(Args[ArgIdx], CallType); + for (unsigned ArgIdx = NumProtoArgs; ArgIdx < NumArgs; ++ArgIdx) { + // Args[ArgIdx] can be null in malformed code. + if (Expr *Arg = Args[ArgIdx]) + variadicArgumentPODCheck(Arg, CallType); + } for (specific_attr_iterator<NonNullAttr> I = FDecl->specific_attr_begin<NonNullAttr>(), |
