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| author | Chris Lattner <sabre@nondot.org> | 2010-08-18 00:11:25 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-08-18 00:11:25 +0000 |
| commit | 7f7274ce7f3243bd71588c7a75a142c39e5c7e34 (patch) | |
| tree | 4f28d17599ed45c56d1637ff8b1efa4cb735934e /include | |
| parent | dc65f22390ab100381e281399003d18ce98fdd53 (diff) | |
| download | llvm-7f7274ce7f3243bd71588c7a75a142c39e5c7e34.tar.gz llvm-7f7274ce7f3243bd71588c7a75a142c39e5c7e34.tar.bz2 llvm-7f7274ce7f3243bd71588c7a75a142c39e5c7e34.tar.xz | |
Don't pass in a null pointer to std::string's ctor, an empty string
ref should produce an empty std::string. This fixes PR7879.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111332 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/ADT/StringRef.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/llvm/ADT/StringRef.h b/include/llvm/ADT/StringRef.h index 33756f605f..9962bb2b18 100644 --- a/include/llvm/ADT/StringRef.h +++ b/include/llvm/ADT/StringRef.h @@ -149,7 +149,10 @@ namespace llvm { unsigned edit_distance(StringRef Other, bool AllowReplacements = true); /// str - Get the contents as an std::string. - std::string str() const { return std::string(Data, Length); } + std::string str() const { + if (Data == 0) return ""; + return std::string(Data, Length); + } /// @} /// @name Operator Overloads |