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[Frontend] When setting the MainInputFilename in the compiler invocation, check first that the input filenames vector is not empty.

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Swift SVN r11484
This commit is contained in:
Argyrios Kyrtzidis
2013-12-19 22:29:27 +00:00
parent 28d579fd1d
commit 21518ab695
1 changed files with 2 additions and 1 deletions
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3
lib/Frontend/CompilerInvocation.cpp
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@@ -329,7 +329,8 @@ static bool ParseIRGenArgs(IRGenOptions &Opts, ArgList &Args,
// TODO: investigate whether these should be removed, in favor of definitions
// in other classes.
Opts.MainInputFilename = FrontendOpts.InputFilenames[0];
if (!FrontendOpts.InputFilenames.empty())
Opts.MainInputFilename = FrontendOpts.InputFilenames[0];
Opts.OutputFilename = FrontendOpts.OutputFilename;
if (const Arg *A = Args.getLastArg(OPT_target)) {