[cxx-interop] Add safe wrapper test with a member function

Author: Gabor Horvath

test/Interop/Cxx/stdlib/Inputs/std-span.h

@@ -62,9 +62,14 @@ inline ConstSpanOfInt funcWithSafeWrapper2(ConstSpanOfInt s
                                            [[clang::lifetimebound]]) {
   return s;
 }
+
 inline ConstSpanOfInt funcWithSafeWrapper3(const VecOfInt &v
                                            [[clang::lifetimebound]]) {
   return ConstSpanOfInt(v.data(), v.size());
 }
 
+struct X {
+  inline void methodWithSafeWrapper(ConstSpanOfInt s [[clang::noescape]]) {}
+};
+
 #endif // TEST_INTEROP_CXX_STDLIB_INPUTS_STD_SPAN_H

test/Interop/Cxx/stdlib/std-span-interface.swift

@@ -17,6 +17,11 @@ import CxxStdlib
 // CHECK:      func funcWithSafeWrapper(_ s: ConstSpanOfInt)
 // CHECK-NEXT: func funcWithSafeWrapper2(_ s: borrowing ConstSpanOfInt) -> ConstSpanOfInt
 // CHECK-NEXT: func funcWithSafeWrapper3(_ v: borrowing VecOfInt) -> ConstSpanOfInt
+// CHECK:      struct X {
+// CHECK-NEXT:   init()
+// CHECK-NEXT:   @_alwaysEmitIntoClient public mutating func methodWithSafeWrapper(_ s: Span<CInt>)
+// CHECK-NEXT:   mutating func methodWithSafeWrapper(_ s: ConstSpanOfInt)
+// CHECK-NEXT: }
 // CHECK-NEXT: @_alwaysEmitIntoClient public func funcWithSafeWrapper(_ s: Span<CInt>)
 // CHECK-NEXT: @lifetime(s)
 // CHECK-NEXT: @_alwaysEmitIntoClient public func funcWithSafeWrapper2(_ s: borrowing Span<CInt>) -> Span<CInt>