1 files changed, 48 insertions, 0 deletions
diff --git a/src/test/debuginfo/union-smoke.rs b/src/test/debuginfo/union-smoke.rs
new file mode 100644
index 000000000..4d4b6cc96
--- /dev/null
+++ b/src/test/debuginfo/union-smoke.rs
@@ -0,0 +1,48 @@
+// min-lldb-version: 310
+// ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
+
+// ignore-gdb-version: 7.11.90 - 7.12.9
+
+// compile-flags:-g
+
+// === GDB TESTS ===================================================================================
+
+// gdb-command:run
+// gdb-command:print u
+// gdbg-check:$1 = {a = {__0 = 2 '\002', __1 = 2 '\002'}, b = 514}
+// gdbr-check:$1 = union_smoke::U {a: (2, 2), b: 514}
+// gdb-command:print union_smoke::SU
+// gdbg-check:$2 = {a = {__0 = 1 '\001', __1 = 1 '\001'}, b = 257}
+// gdbr-check:$2 = union_smoke::U {a: (1, 1), b: 257}
+
+// === LLDB TESTS ==================================================================================
+
+// lldb-command:run
+// lldb-command:print u
+// lldbg-check:[...]$0 = { a = { 0 = '\x02' 1 = '\x02' } b = 514 }
+// lldbr-check:(union_smoke::U) u = { a = { 0 = '\x02' 1 = '\x02' } b = 514 }
+
+// Don't test this with rust-enabled lldb for now; see
+// https://github.com/rust-lang-nursery/lldb/issues/18
+// lldbg-command:print union_smoke::SU
+// lldbg-check:[...]$1 = { a = { 0 = '\x01' 1 = '\x01' } b = 257 }
+
+#![allow(unused)]
+#![feature(omit_gdb_pretty_printer_section)]
+#![omit_gdb_pretty_printer_section]
+
+union U {
+    a: (u8, u8),
+    b: u16,
+}
+
+static mut SU: U = U { a: (1, 1) };
+
+fn main() {
+    let u = U { b: (2 << 8) + 2 };
+    unsafe { SU = U { a: (1, 1) } }
+
+    zzz(); // #break
+}
+
+fn zzz() {()}