Parser: use correct token for division overflow message

Vexu · Apr 25, 2024 · fd1218e · fd1218e
1 parent 82de1f0
commit fd1218e
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/src/aro/Parser.zig b/src/aro/Parser.zig
@@ -6648,7 +6648,7 @@ fn mulExpr(p: *Parser) Error!Result {
                     lhs.ty.signedness(p.comp) != .unsigned) try p.errOverflow(mul.?, lhs);
             } else if (div != null) {
                 if (try lhs.val.div(lhs.val, rhs.val, lhs.ty, p.comp) and
-                    lhs.ty.signedness(p.comp) != .unsigned) try p.errOverflow(mul.?, lhs);
+                    lhs.ty.signedness(p.comp) != .unsigned) try p.errOverflow(div.?, lhs);
             } else {
                 var res = try Value.rem(lhs.val, rhs.val, lhs.ty, p.comp);
                 if (res.opt_ref == .none) {

diff --git a/test/cases/arithmetic overflow.c b/test/cases/arithmetic overflow.c
@@ -5,3 +5,7 @@ _Static_assert(0x00000000 - 0x00000001 == 0xFFFFFFFF, "");
 _Static_assert(0x80000000 * 2 == 0, "");
 _Static_assert(2 * 0x80000000 == 0, "");
 _Static_assert(sizeof(int) != 4 || ((unsigned)(-1) << 1) == 0xFFFFFFFFU - 1, "");
+_Static_assert((-9223372036854775807LL - 1LL) / -1 != 0, "failed");
+
+#define EXPECTED_ERRORS "arithmetic overflow.c:8:47: warning: overflow in expression; result is '9223372036854775808' [-Winteger-overflow]" \
+