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| author | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2011-05-17 22:09:53 +0000 |
|---|---|---|
| committer | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2011-05-17 22:09:53 +0000 |
| commit | f15eac1110cc963cabda42759e6eb9d6f077f30a (patch) | |
| tree | 6e98d79bd5787da74fae1bf67d1e9c15f91e8143 /clang/lib/Basic/SourceManager.cpp | |
| parent | af9b325d232f52ca858c67cd497b79f5e63716af (diff) | |
| download | bcm5719-llvm-f15eac1110cc963cabda42759e6eb9d6f077f30a.tar.gz bcm5719-llvm-f15eac1110cc963cabda42759e6eb9d6f077f30a.zip | |
Do some safety checks.
llvm-svn: 131491
Diffstat (limited to 'clang/lib/Basic/SourceManager.cpp')
| -rw-r--r-- | clang/lib/Basic/SourceManager.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/clang/lib/Basic/SourceManager.cpp b/clang/lib/Basic/SourceManager.cpp index c3e03933e5e..ae7de2d3c95 100644 --- a/clang/lib/Basic/SourceManager.cpp +++ b/clang/lib/Basic/SourceManager.cpp @@ -961,6 +961,12 @@ static void ComputeLineNumbers(Diagnostic &Diag, ContentCache *FI, /// about to emit a diagnostic. unsigned SourceManager::getLineNumber(FileID FID, unsigned FilePos, bool *Invalid) const { + if (FID.isInvalid()) { + if (Invalid) + *Invalid = true; + return 1; + } + ContentCache *Content; if (LastLineNoFileIDQuery == FID) Content = LastLineNoContentCache; |
