1 files changed, 85 insertions, 0 deletions
diff --git a/tests/debuginfo/struct-in-enum.rs b/tests/debuginfo/struct-in-enum.rs
new file mode 100644
index 000000000..41d15af14
--- /dev/null
+++ b/tests/debuginfo/struct-in-enum.rs
@@ -0,0 +1,85 @@
+// min-lldb-version: 310
+// ignore-gdb-version: 7.11.90 - 7.12.9
+// ignore-test // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
+
+// compile-flags:-g
+
+// === GDB TESTS ===================================================================================
+
+// gdb-command:set print union on
+// gdb-command:run
+
+// gdb-command:print case1
+// gdbg-check:$1 = {{RUST$ENUM$DISR = Case1, __0 = 0, __1 = {x = 2088533116, y = 2088533116, z = 31868}}, {RUST$ENUM$DISR = Case1, [...]}}
+// gdbr-check:$1 = struct_in_enum::Regular::Case1(0, struct_in_enum::Struct {x: 2088533116, y: 2088533116, z: 31868})
+
+// gdb-command:print case2
+// gdbg-check:$2 = {{RUST$ENUM$DISR = Case2, [...]}, {RUST$ENUM$DISR = Case2, __0 = 0, __1 = 1229782938247303441, __2 = 4369}}
+// gdbr-check:$2 = struct_in_enum::Regular::Case2(0, 1229782938247303441, 4369)
+
+// gdb-command:print univariant
+// gdbg-check:$3 = {{__0 = {x = 123, y = 456, z = 789}}}
+// gdbr-check:$3 = struct_in_enum::Univariant::TheOnlyCase(struct_in_enum::Struct {x: 123, y: 456, z: 789})
+
+
+// === LLDB TESTS ==================================================================================
+
+// lldb-command:run
+
+// lldb-command:print case1
+// lldb-check:[...]$0 = Case1(0, Struct { x: 2088533116, y: 2088533116, z: 31868 })
+// lldb-command:print case2
+// lldb-check:[...]$1 = Case2(0, 1229782938247303441, 4369)
+
+// lldb-command:print univariant
+// lldb-check:[...]$2 = TheOnlyCase(Struct { x: 123, y: 456, z: 789 })
+
+#![allow(unused_variables)]
+#![feature(omit_gdb_pretty_printer_section)]
+#![omit_gdb_pretty_printer_section]
+
+use self::Regular::{Case1, Case2};
+use self::Univariant::TheOnlyCase;
+
+struct Struct {
+    x: u32,
+    y: i32,
+    z: i16
+}
+
+// The first element is to ensure proper alignment, irrespective of the machines word size. Since
+// the size of the discriminant value is machine dependent, this has be taken into account when
+// datatype layout should be predictable as in this case.
+enum Regular {
+    Case1(u64, Struct),
+    Case2(u64, u64, i16)
+}
+
+enum Univariant {
+    TheOnlyCase(Struct)
+}
+
+fn main() {
+
+    // In order to avoid endianness trouble all of the following test values consist of a single
+    // repeated byte. This way each interpretation of the union should look the same, no matter if
+    // this is a big or little endian machine.
+
+    // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
+    // 0b01111100011111000111110001111100 = 2088533116
+    // 0b0111110001111100 = 31868
+    // 0b01111100 = 124
+    let case1 = Case1(0, Struct { x: 2088533116, y: 2088533116, z: 31868 });
+
+    // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
+    // 0b00010001000100010001000100010001 = 286331153
+    // 0b0001000100010001 = 4369
+    // 0b00010001 = 17
+    let case2 = Case2(0, 1229782938247303441, 4369);
+
+    let univariant = TheOnlyCase(Struct { x: 123, y: 456, z: 789 });
+
+    zzz(); // #break
+}
+
+fn zzz() {()}