From 11ada63fbb7ba982c92f22fa1fb0e39cebe3f194 Mon Sep 17 00:00:00 2001
From: Thomas Lively <7121787+tlively@users.noreply.github.com>
Date: Fri, 18 Feb 2022 10:08:13 -0800
Subject: Include type names in error messages from building (#4517)

Instead of just reporting the type index that causes an error when building
types, report the name of the responsible type when parsing the text format.
---
 test/lit/parse-bad-supertype.wast | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 test/lit/parse-bad-supertype.wast

(limited to 'test')

diff --git a/test/lit/parse-bad-supertype.wast b/test/lit/parse-bad-supertype.wast
new file mode 100644
index 000000000..3a50efecf
--- /dev/null
+++ b/test/lit/parse-bad-supertype.wast
@@ -0,0 +1,9 @@
+;; Test that an invalid supertype results in a useful error message
+
+;; RUN: not wasm-opt %s -all --nominal 2>&1 | filecheck %s
+
+;; CHECK: Fatal: Invalid type: Heap type has an invalid supertype at type $sub
+(module
+  (type $super (struct_subtype i32 data))
+  (type $sub (struct_subtype i64 $super))
+)
\ No newline at end of file
-- 
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