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| author | Fariborz Jahanian <fjahanian@apple.com> | 2011-04-15 18:49:23 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2011-04-15 18:49:23 +0000 |
| commit | ccad3db9b95012e260c71ded41c6141619202b09 (patch) | |
| tree | b5116a5de8e7cb77d56e846bd8b91d7e2a63b085 | |
| parent | 484fc57c8d2d3ba645a03f9e294dcebc5aacaf44 (diff) | |
Fixes a crash when generating dependency file stuff
and output file is not writable. // rdar://9286457.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129587 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Frontend/DependencyFile.cpp | 2 | ||||
| -rw-r--r-- | test/Frontend/dependency-generation-crash.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/lib/Frontend/DependencyFile.cpp b/lib/Frontend/DependencyFile.cpp index bc5a55df08..5c3a23128a 100644 --- a/lib/Frontend/DependencyFile.cpp +++ b/lib/Frontend/DependencyFile.cpp @@ -171,7 +171,7 @@ void DependencyFileCallback::OutputDependencyFile() { *OS << '\n'; // Create phony targets if requested. - if (PhonyTarget) { + if (PhonyTarget && !Files.empty()) { // Skip the first entry, this is always the input file itself. for (std::vector<std::string>::iterator I = Files.begin() + 1, E = Files.end(); I != E; ++I) { diff --git a/test/Frontend/dependency-generation-crash.c b/test/Frontend/dependency-generation-crash.c new file mode 100644 index 0000000000..181bb71f1b --- /dev/null +++ b/test/Frontend/dependency-generation-crash.c @@ -0,0 +1,4 @@ +// RUN: touch %t +// RUN: chmod 0 %t +// %clang -E -dependency-file bla -MT %t -MP -o %t -x c /dev/null +// rdar://9286457 |