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forbid invalid comparison of struct

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