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2 Commits

Author SHA1 Message Date
Erik Eckstein
39bb14b094 change mangling prefix from $S to $s 
This is the final ABI mangling prefix

rdar://problem/38471478
 2018-09-19 13:55:11 -07:00
Huon Wilson
c08085f359 [SILOptimizer] Don't optimize casts to protocols with a conditional conformance. 
The conformance existing isn't enough to be sure the cast will succeed,
there may be dynamic information, so we just assume they're always
dynamic and always "MaySucceed".

Fixes rdar://problem/38694450.
 2018-03-28 14:58:13 +11:00