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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2017-05-23 20:48:21 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2017-05-23 20:48:21 +0000 |
| commit | 4e382f9ee962322d32cf92841c3eb093e15a089b (patch) | |
| tree | 0a22f1098591287677e54e59310e5527197bca62 /clang/lib/Frontend/TextDiagnostic.cpp | |
| parent | f43ece3ff577918e1a68b3f841223da4a2ea97ba (diff) | |
| download | bcm5719-llvm-4e382f9ee962322d32cf92841c3eb093e15a089b.tar.gz bcm5719-llvm-4e382f9ee962322d32cf92841c3eb093e15a089b.zip | |
[Frontend] Don't index into an empty string.
Found by msan!
llvm-svn: 303686
Diffstat (limited to 'clang/lib/Frontend/TextDiagnostic.cpp')
| -rw-r--r-- | clang/lib/Frontend/TextDiagnostic.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Frontend/TextDiagnostic.cpp b/clang/lib/Frontend/TextDiagnostic.cpp index a18b8c888c2..c43d9aa98d1 100644 --- a/clang/lib/Frontend/TextDiagnostic.cpp +++ b/clang/lib/Frontend/TextDiagnostic.cpp @@ -1252,7 +1252,7 @@ void TextDiagnostic::emitSnippetAndCaret( } // Finally, remove any blank spaces from the end of CaretLine. - while (CaretLine[CaretLine.size() - 1] == ' ') + while (!CaretLine.empty() && CaretLine[CaretLine.size() - 1] == ' ') CaretLine.erase(CaretLine.end() - 1); // Emit what we have computed. |
