Add __optnone__ attribute for Clang #4716
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added 2 commits
January 15, 2018 11:17
…point Thanks to @kiranchandramohan for the suggestion Signed-off-by: Ralph Castain <rhc@open-mpi.org> (cherry picked from commit 5c4185a)
See how the various compilers handle these Signed-off-by: Ralph Castain <rhc@open-mpi.org> (cherry picked from commit db8ebd3)
Per https://gcc.gnu.org/onlinedocs/gcc/Alternate-Keywords.html#index-_005f_005fextension_005f_005f, use __extension__ in a C statement that will actually verify if the compiler supports it or not. Signed-off-by: Jeff Squyres <jsquyres@cisco.com> (cherry picked from commit ff31da6)
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Tagging this as a 3.1.0 blocker because it's been merged into 3.0.1... |
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Add the optnone attribute to help avoid optimizing out MPIR_Breakpoint
Signed-off-by: Ralph Castain rhc@open-mpi.org