MemoryLifetimeVerifier: disable non-address-lowered indirect args.

Otherwise the verifier will fail on trivial cases like this:

sil hidden [ossa] @testassign : $@convention(thin) <T> (@inout T, @in T) -> () {
bb0(%0 : $*T, %1 : @owned $T):
  store %1 to [assign] %0 : $*T
  %3 = tuple ()
  return %3 : $()
}

SIL memory lifetime failure in @testassign: memory is initialized at
function return but shouldn't memory location:
  %1 = argument of bb0 : $T

Author: atrick

lib/SIL/Verifier/MemoryLifetime.cpp

@@ -168,8 +168,13 @@ void MemoryLocations::analyzeLocations(SILFunction *function) {
     case SILArgumentConvention::Indirect_In:
     case SILArgumentConvention::Indirect_In_Constant:
     case SILArgumentConvention::Indirect_In_Guaranteed:
-    case SILArgumentConvention::Indirect_Inout:
     case SILArgumentConvention::Indirect_Out:
+      // These are not SIL addresses under -enable-sil-opaque-values
+      if (!function->getConventions().useLoweredAddresses())
+        break;
+
+      LLVM_FALLTHROUGH;
+    case SILArgumentConvention::Indirect_Inout:
       analyzeLocation(funcArg);
       break;
     default: