fix label compare bug in cheap local labels

xa/src/xal.c

@@ -653,7 +653,7 @@ int ll_search(char *s, int *n, xalabel_t cll_fl)          /* search Label in Tab
           {
                for (k=0;(k<j)&&(ltp->n[k]==s[k]);k++);
 
-	       if (cll_fl == CHEAP) {
+	       if ( (j == k) && cll_fl == CHEAP) {
 			if (ltp->blk == cll_getcur()) {
 				er=E_OK;
 				break;

xa/tests/cll/Makefile

@@ -0,0 +1,8 @@
+
+XA=../../xa
+
+all: test1
+
+%: %.a65
+	${XA} -XCA65 -o $@ $<
+

xa/tests/cll/test1.a65

@@ -0,0 +1,30 @@
+; As extracted from https://codebase64.org/doku.php?id=base:256_bytes_tune_player
+.org $326
+
+foo:
+
+@musicdata:
+; errs
+@Voc0start:
+.byte $00
+; .byte <(@Voc0komp-@musicdata)
+; errs
+@Voc1start:
+.byte $40
+.byte <(@Voc1melody-@musicdata)
+; errs
+@Voc2start:
+;-
+;-
+.byte $50
+@Voc2loop:
+.byte $60
+.byte <(@Voc2loop-@musicdata)
+; errs
+@Voc0komp:
+.byte $10
+.byte <(@Voc0start-@musicdata)
+@Voc1melody:
+.byte $20
+.byte <(@Voc1start-@musicdata)
+