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Changes from Git (git http://labmaster3.local/git/llvm-project.git)

Summary

  1. [clang driver] Spell "--export-dynamic-symbol" with two dashes. (details)
Commit 9292ece9956c98acf0cfa6e188316243ffbf4bed by efriedma
[clang driver] Spell "--export-dynamic-symbol" with two dashes.

This doesn't make a difference for linkers that support the option, but
it improves the error message from older linkers that don't support it.
The file was modifiedclang/lib/Driver/ToolChains/CommonArgs.cpp
The file was modifiedclang/test/Driver/sanitizer-ld.c