1 files changed, 143 insertions, 0 deletions
diff --git a/gcc/testsuite/gdc.test/runnable/cppdtor.d b/gcc/testsuite/gdc.test/runnable/cppdtor.d
new file mode 100644
index 00000000000..0592d448b1f
--- /dev/null
+++ b/gcc/testsuite/gdc.test/runnable/cppdtor.d
@@ -0,0 +1,143 @@
+/*
+https://issues.dlang.org/show_bug.cgi?id=21693
+
+RUN_OUTPUT:
+---
+CppA:
+1: CppA.~this
+CppB:
+2: CppB.~this
+2: CppA.~this
+CppC:
+3: CppC.~this
+3: CppB.~this
+3: CppA.~this
+CppC:
+4: CppC.~this
+4: CppB.~this
+4: CppA.~this
+CppNoDestruct:
+DA:
+1: DA.~this
+DB:
+2: DB.~this
+2: DA.~this
+DC:
+3: DC.~this
+3: DB.~this
+3: DA.~this
+DC:
+4: DC.~this
+4: DB.~this
+4: DA.~this
+---
+*/
+
+extern (C) int printf(scope const char*, ...);
+
+extern (C++) class CppA
+{
+	int num;
+	this(int num)
+	{
+		this.num = num;
+	}
+
+	~this()
+	{
+		printf("%d: CppA.~this\n", num);
+	}
+}
+
+extern (C++) class CppB : CppA
+{
+	this(int num)
+	{
+		super(num);
+	}
+
+	~this()
+	{
+		printf("%d: CppB.~this\n", num);
+	}
+}
+
+extern (C++) class CppC : CppB
+{
+	this(int num)
+	{
+		super(num);
+	}
+
+	~this()
+	{
+		printf("%d: CppC.~this\n", num);
+	}
+}
+
+extern (D) class DA
+{
+	int num;
+	this(int num)
+	{
+		this.num = num;
+	}
+
+	~this()
+	{
+		printf("%d: DA.~this\n", num);
+	}
+}
+
+extern (D) class DB : DA
+{
+	this(int num)
+	{
+		super(num);
+	}
+
+	~this()
+	{
+		printf("%d: DB.~this\n", num);
+	}
+}
+
+extern (D) class DC : DB
+{
+	this(int num)
+	{
+		super(num);
+	}
+
+	~this()
+	{
+		printf("%d: DC.~this\n", num);
+	}
+}
+
+extern (C++) class CppNoDestruct
+{
+	int num;
+	this(int num)
+	{
+		this.num = num;
+	}
+}
+
+void main()
+{
+	printf("CppA:\n"); { scope a = new CppA(1);			}
+	printf("CppB:\n"); { scope CppA b = new CppB(2);	}
+	printf("CppC:\n"); { scope CppA c = new CppC(3);	}
+	printf("CppC:\n"); { scope CppB c2 = new CppC(4);	}
+
+	printf("CppNoDestruct:\n");
+	{
+		scope const nd = new CppNoDestruct(1);
+	}
+
+	printf("DA:\n"); { scope a = new DA(1);		}
+	printf("DB:\n"); { scope DA b = new DB(2);	}
+	printf("DC:\n"); { scope DA c = new DC(3);	}
+	printf("DC:\n"); { scope DB c2 = new DC(4);	}
+}