Fix crash with peer type resolution & error unions

Fixes #3353
2019-10-20 22:56:58 +02:00
parent 771dafbaba
commit ddb87237de
2 changed files with 22 additions and 0 deletions
--- a/test/compile_errors.zig
+++ b/test/compile_errors.zig
@@ -2,6 +2,16 @@ const tests = @import("tests.zig");
 const builtin = @import("builtin");

 pub fn addCases(cases: *tests.CompileErrorContext) void {
+    cases.add(
+        "comparison with error union and error value",
+        \\export fn entry() void {
+        \\    var number_or_error: anyerror!i32 = error.SomethingAwful;
+        \\    _ = number_or_error == error.SomethingAwful;
+        \\}
+    ,
+        "tmp.zig:3:25: error: operator not allowed for type 'anyerror!i32'",
+    );
+
    cases.add(
        "switch with overlapping case ranges",
        \\export fn entry() void {