lm32: fix testsuite compile problems

One test fails to compile with a gcc ICE, so disable it for now.

libc/sysdeps/linux/lm32/Makefile.arch

@@ -5,5 +5,5 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-CSRC := 
-SSRC := clone.S setjmp.S __longjmp.S vfork.S
+CSRC-y :=
+SSRC-y := clone.S setjmp.S __longjmp.S vfork.S

test/regex/Makefile.in

@@ -1 +1,6 @@
+# triggers gcc ICE with gcc 5.3.0
+ifeq ($(TARGET_lm32),y)
+TESTS_DISABLED := testregex
+endif
+
 CFLAGS_tst-regex2 = -fPIC