Update tests based on changes that have merged to main

../clang/test/SemaHLSL/Language/ElementwiseCast-errors.hlsl

Author: llvm-beanz

clang/test/SemaHLSL/Language/ElementwiseCast-errors.hlsl

@@ -43,7 +43,9 @@ export void cantCast4() {
   int2 A = {1,2};
   R r = R(A);
   // expected-error@-1 {{no matching conversion for functional-style cast from 'int2' (aka 'vector<int, 2>') to 'R'}}
-  R r2 = {1, 2};
+  R r2;
+  r2.A = 1;
+  r2.F = 2.0;
   int2 B = (int2)r2;
   // expected-error@-1 {{cannot convert 'R' to 'int2' (aka 'vector<int, 2>') without a conversion operator}}
 }

clang/test/SemaHLSL/Language/InitLists.hlsl

@@ -98,11 +98,24 @@ void Errs() {
   int2 Something = {1.xxx}; // expected-error{{too many initializers in list for type 'int2' (aka 'vector<int, 2>') (expected 2 but found 3)}}
 }
 
+struct R {
+  int A;
+  union { // #anon
+    float F;
+    int4 G;
+  };
+};
+
+// expected-note@#anon{{candidate constructor (the implicit copy constructor) not viable: no known conversion from 'int' to}}
+// expected-note@#anon{{candidate constructor (the implicit move constructor) not viable: no known conversion from 'int' to}}
+
 void Err2(RWBuffer<float4> B) {
   ContainsResource RS1 = {1, B};
   ContainsResource RS2 = (1.xx); // expected-error{{no viable conversion from 'vector<int, 2>' (vector of 2 'int' values) to 'ContainsResource'}}
   ContainsResource RS3 = {B, 1}; // expected-error{{no viable conversion from 'RWBuffer<float4>' (aka 'RWBuffer<vector<float, 4>>') to 'int'}}
   ContainsResourceInverted IR = {RS1}; // expected-error{{no viable conversion from 'int' to 'hlsl::RWBuffer<vector<float, 4>>'}}
+
+  R r = {1,2}; // expected-error{{no viable conversion from 'int' to 'R::(anonymous union at}}
 }
 
 // expected-note@#ContainsResource{{candidate constructor (the implicit copy constructor) not viable: no known conversion from 'vector<int, 2>' (vector of 2 'int' values) to 'const ContainsResource &' for 1st argument}}