Merge pull request #38351 from egorzhdan/cxx-tests-copy-ctor

C++ Interop: tweak subscript operator tests

Author: egorzhdan

test/Interop/Cxx/operators/Inputs/member-inline.h

@@ -147,7 +147,11 @@ struct IntArrayByVal {
 
 struct NonTrivialIntArrayByVal {
   NonTrivialIntArrayByVal(int first) { values[0] = first; }
-  NonTrivialIntArrayByVal(const NonTrivialIntArrayByVal &other) {}
+  NonTrivialIntArrayByVal(const NonTrivialIntArrayByVal &other) {
+    for (int i = 0; i < 5; i++)
+      values[i] = other.values[i];
+  }
+
   int operator[](int x) const { return values[x]; }
 
   // For testing purposes.

test/Interop/Cxx/operators/Inputs/member-out-of-line.h

@@ -31,7 +31,10 @@ struct ReadWriteIntArray {
 
 struct NonTrivialIntArrayByVal {
   NonTrivialIntArrayByVal(int first) { values[0] = first; }
-  NonTrivialIntArrayByVal(const NonTrivialIntArrayByVal &other) {}
+  NonTrivialIntArrayByVal(const NonTrivialIntArrayByVal &other) {
+    for (int i = 0; i < 5; i++)
+      values[i] = other.values[i];
+  }
   int operator[](int x);
 
   // For testing purposes.