1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/abi/rtti3.C b/gcc/testsuite/g++.dg/abi/rtti3.C
new file mode 100644
index 000000000..60dc9b8d6
--- /dev/null
+++ b/gcc/testsuite/g++.dg/abi/rtti3.C
@@ -0,0 +1,18 @@
+// PR 20647, we must emit the typeinfo's string as weak, but not the
+// necessarily the type info object
+
+// { dg-require-weak "" }
+// { dg-skip-if "Linkonce not weak" { *-*-mingw* *-*-cygwin } { "*" } { "" } }
+// { dg-final { scan-assembler ".weak\[ \t\]_?_ZTSPP1A" { target { ! { *-*-darwin* alpha*-dec-osf* } } } } }
+// { dg-final { scan-assembler-not ".weak\[ \t\]_?_ZTIPP1A" { target { ! { *-*-darwin* alpha*-dec-osf* } } } } }
+// { dg-final { scan-assembler ".weak_definition\[ \t\]_?_ZTSPP1A" { target { *-*-darwin* } } } }
+// { dg-final { scan-assembler-not ".weak_definition\[ \t\]_?_ZTIPP1A" { target { *-*-darwin* } } } }
+// { dg-final { scan-assembler ".weakext\[ \t\]_?_ZTSPP1A" { target { alpha*-dec-osf* } } } }
+// { dg-final { scan-assembler-not ".weakext\[ \t\]_?_ZTIPP1A" { target { alpha*-dec-osf* } } } }
+
+struct A;
+
+void Foo ()
+{
+  throw (A **)0;
+}