[llvm-commits] [PATCH] Use-after-free in ParseCommandLineOptions()

[Frits van Bommel]

Near the end of ParseCommandLineOptions()
(lib/Support/CommandLine.cpp) there's some debug code that prints out
the command line if -debug was specified. Unfortunately, if the
ReadResponseFiles parameter is true the expanded command line is
stored in memory which has just been free()d a few lines earlier.

This patch moves the debug code before the cleanup code, but after all
options (most importantly -debug) have been parsed and adds a comment
explaining why it's there.
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