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[cc2-i386] emit alignment before of the definition of the label

We were emitting the alignment directive after the label, so the result
was wrong, because the data was aligned, but not the label.

--- a/cc2/arch/i386-sysv/code.c

+++ b/cc2/arch/i386-sysv/code.c

@@ -106,9 +106,6 @@

 {

 	char *s;

-	if (tp->align != 1)

-		printf("\t.align\t%d\n", tp->align);

-

 	if (tp->flags & STRF) {

 		s = "\t.ascii\t";

 	} else {

@@ -153,8 +150,8 @@

 {

 	int seg, flags = sym->type.flags;

 	char *name = symname(sym);

+	Type *tp = &sym->type;

-	putchar('\n');

 	if (flags & FUNF)

 		seg = CODESEG;

 	else if (flags & INITF)

@@ -170,11 +167,16 @@

 		return;

 	case GLOB:

 		printf("\t.global\t%s\n", name);

+		if (seg == BSSSEG) {

+			printf("\t.comm\t%s,%llu\n",

+			       name,

+			       (unsigned long long) tp->size);

+		}

 		break;

 	}

-

+	if (sym->type.align != 1)

+		printf("\t.align\t%d\n",sym->type.align );

 	printf("%s:\n", name);

-

 }

 void