[Property Wrappers] Correct the source location of applied property

wrapper expressions in property wrapper parameter thunks, and add
SILGen tests for property wrapper parameters in inlinable functions.

Author: hborla

lib/Sema/CSApply.cpp

@@ -1033,8 +1033,7 @@ namespace {
           ValueKind valueKind = (initKind == PropertyWrapperInitKind::ProjectedValue ?
                                  ValueKind::ProjectedValue : ValueKind::WrappedValue);
 
-          paramRef = AppliedPropertyWrapperExpr::create(context, ref, innerParam,
-                                                        innerParam->getStartLoc(),
+          paramRef = AppliedPropertyWrapperExpr::create(context, ref, innerParam, SourceLoc(),
                                                         wrapperType, paramRef, valueKind);
           cs.cacheExprTypes(paramRef);
 

test/SILGen/property_wrapper_parameter.swift

@@ -230,3 +230,20 @@ public func publicFunc(@PublicWrapper value: String) {
   // property wrapper init from projected value of value #1 in publicFunc(value:)
   // CHECK: sil non_abi [serialized] [ossa] @$s26property_wrapper_parameter10publicFunc5valueyAA13PublicWrapperVySSG_tFACL_SSvpfW : $@convention(thin) (@owned PublicWrapper<String>) -> @owned PublicWrapper<String>
 }
+
+// CHECK-LABEL: sil [serialized] [ossa] @$s26property_wrapper_parameter13inlinableFunc5valueyAA13PublicWrapperVySSG_tF : $@convention(thin) (@guaranteed PublicWrapper<String>) -> ()
+@inlinable func inlinableFunc(@PublicWrapper value: String) {
+  // property wrapper backing initializer of value #1 in inlinableFunc(value:)
+  // CHECK: sil non_abi [serialized] [ossa] @$s26property_wrapper_parameter13inlinableFunc5valueyAA13PublicWrapperVySSG_tFACL_SSvpfP : $@convention(thin) (@owned String) -> @owned PublicWrapper<String>
+
+  // property wrapper init from projected value of value #1 in inlinableFunc(value:)
+  // CHECK: sil non_abi [serialized] [ossa] @$s26property_wrapper_parameter13inlinableFunc5valueyAA13PublicWrapperVySSG_tFACL_SSvpfW : $@convention(thin) (@owned PublicWrapper<String>) -> @owned PublicWrapper<String>
+
+
+  _ = publicFunc(value:)
+
+  // implicit closure #1 in inlinableFunc(value:)
+  // CHECK: sil shared [serialized] [ossa] @$s26property_wrapper_parameter13inlinableFunc5valueyAA13PublicWrapperVySSG_tFySScfu_ : $@convention(thin) (@guaranteed String) -> ()
+  // CHECK: function_ref @$s26property_wrapper_parameter10publicFunc5valueyAA13PublicWrapperVySSG_tFACL_SSvpfP : $@convention(thin) (@owned String) -> @owned PublicWrapper<String>
+  // CHECK: function_ref @$s26property_wrapper_parameter10publicFunc5valueyAA13PublicWrapperVySSG_tF : $@convention(thin) (@guaranteed PublicWrapper<String>) -> ()
+}