forbid invalid comparison of struct

Current tcc permits comparison of structs and comparison between struct and other typed values.
2012-11-05 12:26:26 +09:00
parent 943574aba5
commit 5eb64357b1
1 changed files with 2 additions and 0 deletions
--- a/tccgen.c
+++ b/tccgen.c
@ -1700,6 +1700,8 @@ ST_FUNC void gen_op(int op)
            (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED))
            t |= VT_UNSIGNED;
        goto std_op;
+    } else if (bt1 == VT_STRUCT || bt2 == VT_STRUCT) {
+        tcc_error("comparison of struct");
    } else {
        /* integer operations */
        t = VT_INT;