stack trace is able to figure out compilation unit

each address is contained within

also fix a bug having to do with codegen for enum value
initialization expressions

1 files changed, 29 insertions, 0 deletions

diff --git a/test/cases/switch_prong_err_enum.zig b/test/cases/switch_prong_err_enum.zig
new file mode 100644
index 0000000000..cb8c864357
--- /dev/null
+++ b/test/cases/switch_prong_err_enum.zig
@@ -0,0 +1,29 @@
+const assert = @import("std").debug.assert;
+
+var read_count: u64 = 0;
+
+fn readOnce() -> %u64 {
+    read_count += 1;
+    return read_count;
+}
+
+error InvalidDebugInfo;
+
+enum FormValue {
+    Address: u64,
+    Other: bool,
+}
+
+#static_eval_enable(false)
+fn doThing(form_id: u64) -> %FormValue {
+    return switch (form_id) {
+        17 => FormValue.Address { %return readOnce() },
+        else => error.InvalidDebugInfo,
+    }
+}
+
+#attribute("test")
+fn switchProngReturnsErrorEnum() {
+    %%doThing(17);
+    assert(read_count == 1);
+}