I found a trivial bug of tcc. Current tcc permits comparison of
structs and comparison between struct and other typed values. This
patch can fix the bug.
I'm new to tcc. Sorry if this patch contains wrong part.
I'd like to hear your comments.
v2: fix on the bug of mod branch
Thanks,
---
tccgen.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/tccgen.c b/tccgen.c
index 4e58ef0..1a3f2f9 100644
--- 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 || bt1 == VT_STRUCT) {
+ tcc_error("comparison of struct");
} else {
/* integer operations */
t = VT_INT;
--
1.7.5.1
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