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authorIain Sandoe <iain@sandoe.co.uk>2022-04-29 17:54:39 +0100
committerIain Sandoe <iain@sandoe.co.uk>2022-04-29 17:54:39 +0100
commit3e5f7ca352c26a222bb588741b7c700a3052a372 (patch)
tree283aec084274668fe34c23c49ab2999390ed9778 /gcc/testsuite/gdc.test/fail_compilation/test23017.d
parent2ce0608ca3dca30518bec525c435f7bc4d7f9b70 (diff)
parentb85e79dce149df68b92ef63ca2a40ff1dfa61396 (diff)
downloadgcc-devel/c++-coroutines.tar.gz
Merge master r12-8312.devel/c++-coroutines
* Merge master r12-8312-gb85e79dce149.
Diffstat (limited to 'gcc/testsuite/gdc.test/fail_compilation/test23017.d')
-rw-r--r--gcc/testsuite/gdc.test/fail_compilation/test23017.d20
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gdc.test/fail_compilation/test23017.d b/gcc/testsuite/gdc.test/fail_compilation/test23017.d
new file mode 100644
index 00000000000..743789a6b52
--- /dev/null
+++ b/gcc/testsuite/gdc.test/fail_compilation/test23017.d
@@ -0,0 +1,20 @@
+/*
+TEST_OUTPUT:
+---
+fail_compilation/test23017.d(16): Error: class `test23017.CppChildA` with C++ linkage cannot inherit from class `DClass` with D linkage
+---
+*/
+
+// https://issues.dlang.org/show_bug.cgi?id=23017
+// C++ class may not derive from D class
+extern(D) class DClass {}
+extern(C++) class CppClass
+{
+ void foo();
+}
+
+extern(C++) class CppChildA : DClass {} // error
+extern(C++) class CppChildB : CppClass {}
+
+extern(D) class DChildA : DClass {}
+extern(D) class DChildB : CppClass {} // automatically made extern(C++)