FreeBSD/ports f421cce (r467849)devel/llvm60 Makefile, devel/llvm60/files patch-fsvn-r332833

Merge r332833 from FreeBSD HEAD.

This should ensure clang does not use pushf/popf sequences to
save and restore flags, avoiding problems with unrelated flags (such as
the interrupt flag) being restored unexpectedly.

PR:             225330
DeltaFile
+1,623-0devel/llvm60/files/patch-fsvn-r332833
+258-0devel/llvm60/files/clang/patch-fsvn-r332833-clang
+1-1devel/llvm60/Makefile
+1,882-13 files

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