Ben Langmuir dcf73861a5 Add an option -fmodules-validate-system-headers ...

When enabled, always validate the system headers when loading a module.
The end result of this is that when these headers change, we will notice
and rebuild the module.

llvm-svn: 203630

2014-03-12 00:06:17 +00:00

1.3 KiB

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