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Diagnose attempts to update standard output.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111649 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-08-20 16:56:11 +00:00
parent 7a4575e26e
commit e7b67d0e94
1 changed files with 5 additions and 0 deletions
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5
utils/FileUpdate/FileUpdate.cpp
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@ -36,6 +36,11 @@ int main(int argc, char **argv) {
PrettyStackTraceProgram X(argc, argv); PrettyStackTraceProgram X(argc, argv);
cl::ParseCommandLineOptions(argc, argv); cl::ParseCommandLineOptions(argc, argv);
if (OutputFilename == "-") {
errs() << argv[0] << ": error: Can't update standard output\n";
return 1;
}
// Get the input data. // Get the input data.
std::string ErrorStr; std::string ErrorStr;
MemoryBuffer *In = MemoryBuffer *In =