2 files changed, 23 insertions, 1 deletions
diff --git a/test/binary/bad-block-end.txt b/test/binary/bad-block-end.txt
new file mode 100644
index 00000000..36f9a655
--- /dev/null
+++ b/test/binary/bad-block-end.txt
@@ -0,0 +1,22 @@
+;;; ERROR: 1
+;;; TOOL: run-gen-wasm
+magic
+version
+section("type") { count[1] function params[0] results[0] }
+section("function") { count[1] type[0] }
+section("code") {
+  count[1]
+  func {
+    locals[0]
+    nop
+    block
+      br arity[1] depth[0]  ;; bad arity, can't pop past block
+    end
+  }
+}
+(;; STDERR ;;;
+Error running "wasm-wast":
+error: popping past block label
+error: @0x0000002c: on_br_expr callback failed
+
+;;; STDERR ;;)
diff --git a/test/gen-wasm.py b/test/gen-wasm.py
index b843dbd6..e0201e0c 100755
--- a/test/gen-wasm.py
+++ b/test/gen-wasm.py
@@ -256,7 +256,7 @@ t_RBRACKET = r'\]'
 t_ignore  = ' \t'
 
 def t_COMMENT(t):
-  r'\#.*'
+  r';;.*'
   pass
 
 def t_INT(t):