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

2 files changed, 30 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);
+}
diff --git a/test/self_hosted.zig b/test/self_hosted.zig
index 2a8814b17a..7b58684b05 100644
--- a/test/self_hosted.zig
+++ b/test/self_hosted.zig
@@ -12,6 +12,7 @@ const test_max_value_type = @import("cases/max_value_type.zig");
 const test_var_params = @import("cases/var_params.zig");
 const test_const_slice_child = @import("cases/const_slice_child.zig");
 const test_switch_prong_implicit_cast = @import("cases/switch_prong_implicit_cast.zig");
+const test_switch_prong_err_enum = @import("cases/switch_prong_err_enum.zig");
 
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