X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/d46c3fc6945b2a4f2df28a7535c79acd88850eb5..e59adf8f042c54514f77baf82bac61fcfa414ee8:/tests/input.at

diff --git a/tests/input.at b/tests/input.at
index 20459d2f..886c14ad 100644
--- a/tests/input.at
+++ b/tests/input.at
@@ -272,3 +272,28 @@ AT_PARSER_CHECK([./input], 0,
 ]])
 
 AT_CLEANUP
+
+
+## ---------------------- ##
+## Typed symbol aliases.  ##
+## ---------------------- ##
+
+AT_SETUP([Typed symbol aliases])
+
+# Bison 2.0 broke typed symbol aliases - ensure they work.
+
+AT_DATA_GRAMMAR([input.y],
+[[%union
+{
+  int val;
+};
+%token <val> MY_TOKEN "MY TOKEN"
+%type <val> exp
+%%
+exp: "MY TOKEN";
+%%
+]])
+
+AT_CHECK([bison -o input.c input.y])
+
+AT_CLEANUP