fix #33243, stack overflow on global binding effects in generated function (#33257)

Author: JeffBezanson

src/toplevel.c

@@ -621,7 +621,7 @@ jl_value_t *jl_toplevel_eval_flex(jl_module_t *JL_NONNULL m, jl_value_t *e, int
     }
 
     if (ptls->in_pure_callback) {
-        jl_eval_errorf(m, "eval cannot be used in a generated function");
+        jl_error("eval cannot be used in a generated function");
     }
 
     jl_method_instance_t *mfunc = NULL;

test/staged.jl

@@ -292,3 +292,9 @@ end
 end
 
 @test_throws ErrorException("syntax: local variable name \"x\" conflicts with an argument") f30284(1)
+
+# issue #33243
+@generated function f33243()
+    :(global x33243 = 2)
+end
+@test_throws ErrorException f33243()