Author: mcrosier
Date: Fri Jul 15 16:54:29 2011
New Revision: 135308
URL: http://llvm.org/viewvc/llvm-project?rev=135308&view=rev
Log:
Prevent the -save-temps flag from modifying the input file if the input filename
conflicts with a to be produced temp filename.
rdar://9724657
Modified:
cfe/trunk/lib/Driver/Driver.cpp
Modified: cfe/trunk/lib/Driver/Driver.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Driver.cpp?rev=135308&r1=135307&r2=135308&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Driver.cpp (original)
+++ cfe/trunk/lib/Driver/Driver.cpp Fri Jul 15 16:54:29 2011
@@ -1252,6 +1252,15 @@
NamedOutput = C.getArgs().MakeArgString(Suffixed.c_str());
}
+ // If we're saving temps and the temp filename conflicts with the input
+ // filename, then avoid overwriting input file.
+ if (!AtTopLevel && C.getArgs().hasArg(options::OPT_save_temps) &&
+ NamedOutput == BaseName) {
+ std::string TmpName =
+ GetTemporaryPath(types::getTypeTempSuffix(JA.getType()));
+ return C.addTempFile(C.getArgs().MakeArgString(TmpName.c_str()));
+ }
+
// As an annoying special case, PCH generation doesn't strip the pathname.
if (JA.getType() == types::TY_PCH) {
llvm::sys::path::remove_filename(BasePath);
_______________________________________________
cfe-commits mailing list
[email protected]
http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
