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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-17 00:55:32 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-17 00:55:32 +0000 |
| commit | 99eff01fa2d9debfdad290e300c7d013c2fa03da (patch) | |
| tree | 0e27e36b8e4a4ca47006e269f7d8da434d303c16 | |
| parent | 39fc5b42a61d03a8920beb3ceba77d661a282247 (diff) | |
| download | bcm5719-llvm-99eff01fa2d9debfdad290e300c7d013c2fa03da.tar.gz bcm5719-llvm-99eff01fa2d9debfdad290e300c7d013c2fa03da.zip | |
Avoid binding a reference to a dereferenced null pointer, if we try to emit a
diagnostic before we have a source manager.
llvm-svn: 162070
| -rw-r--r-- | clang/lib/Basic/Diagnostic.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Basic/Diagnostic.cpp b/clang/lib/Basic/Diagnostic.cpp index 2c49c2f7606..8065b2d98f3 100644 --- a/clang/lib/Basic/Diagnostic.cpp +++ b/clang/lib/Basic/Diagnostic.cpp @@ -145,6 +145,9 @@ DiagnosticsEngine::GetDiagStatePointForLoc(SourceLocation L) const { assert(DiagStatePoints.front().Loc.isInvalid() && "Should have created a DiagStatePoint for command-line"); + if (!SourceMgr) + return DiagStatePoints.end() - 1; + FullSourceLoc Loc(L, *SourceMgr); if (Loc.isInvalid()) return DiagStatePoints.end() - 1; |
