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[cc1] Fix bug in dumpstab()

The size of the tables is different now, so we need a if-else chain
to get the correct size of the table.

--- a/cc1/symbol.c

+++ b/cc1/symbol.c

@@ -27,9 +27,19 @@

 dumpstab(Symbol **tbl, char *msg)

 {

 	Symbol **bp, *sym;

+	unsigned size;

 	fprintf(stderr, "Symbol Table dump at ctx=%u\n%s\n", curctx, msg);

-	for (bp = tbl; bp < &tbl[NR_SYM_HASH]; ++bp) {

+	if (tbl == htab)

+		size = NR_SYM_HASH;

+	else if (tbl == htabcpp)

+		size = NR_CPP_HASH;

+	else if (tbl == htablbl)

+		size = NR_LBL_HASH;

+	else

+		abort();

+

+	for (bp = tbl; bp < &tbl[size]; ++bp) {

 		if (*bp == NULL)

 			continue;

 		fprintf(stderr, "%d", (int) (bp - htab));