SIL: re-downgrade assertion due to issue

Author: kavon

include/swift/SIL/SILBuilder.h

@@ -1197,7 +1197,8 @@ class SILBuilder {
   CopyAddrInst *createCopyAddr(SILLocation Loc, SILValue srcAddr,
                                SILValue destAddr, IsTake_t isTake,
                                IsInitialization_t isInitialize) {
-    ASSERT(srcAddr->getType() == destAddr->getType());
+    // See rdar://135156833 for why this is not an ASSERT
+    assert(srcAddr->getType() == destAddr->getType());
     return insert(new (getModule()) CopyAddrInst(
         getSILDebugLocation(Loc), srcAddr, destAddr, isTake, isInitialize));
   }