Format INT32_MIN as '-2147483648', not '--2147483648'

src/asm/format.c

@@ -182,9 +182,8 @@ void fmt_PrintNumber(char *buf, size_t bufLen, struct FormatSpec const *fmt, uin
 	if (fmt->type == 'd' || fmt->type == 'f') {
 		int32_t v = value;
 
-		if (v < 0) {
+		if (v < 0 && v != INT32_MIN) {
 			sign = '-';
-			if (v != INT32_MIN)
 			value = -v;
 		}
 	}

test/asm/minimum-int.asm

@@ -0,0 +1,8 @@
+m = $8000_0000
+assert m == 1 << 31
+assert m == -(1 << 31)
+assert m == (-2)**31
+
+	println "{m}"
+	println "({12d:m})"
+	println "({-12d:m})"

test/asm/minimum-int.out

@@ -0,0 +1,3 @@
+$80000000
+( -2147483648)
+(-2147483648 )