Fix tsd bootstrapping for a0malloc().

test/unit/a0.c

@@ -0,0 +1,19 @@
+#include "test/jemalloc_test.h"
+
+TEST_BEGIN(test_a0)
+{
+	void *p;
+
+	p = a0malloc(1);
+	assert_ptr_not_null(p, "Unexpected a0malloc() error");
+	a0dalloc(p);
+}
+TEST_END
+
+int
+main(void)
+{
+
+	return (test_no_malloc_init(
+	    test_a0));
+}

test/unit/junk.c

@@ -244,7 +244,6 @@ int
 main(void)
 {
 
-	assert(!config_fill || opt_junk_alloc || opt_junk_free);
 	return (test(
 	    test_junk_small,
 	    test_junk_large,

test/unit/tsd.c

@@ -99,6 +99,11 @@ int
 main(void)
 {
 
+	/* Core tsd bootstrapping must happen prior to data_tsd_boot(). */
+	if (nallocx(1, 0) == 0) {
+		malloc_printf("Initialization error");
+		return (test_status_fail);
+	}
 	data_tsd_boot();
 
 	return (test(