Reapply missing patch for libsanitizer.

2019-08-15  Martin Liska  <mliska@suse.cz>

	* tsan/tsan_rtl_ppc64.S: Reapply.

From-SVN: r274540

libsanitizer/ChangeLog

+2019-08-15  Martin Liska  <mliska@suse.cz>
+
+	* tsan/tsan_rtl_ppc64.S: Reapply.
+
 2019-08-15  Iain Sandoe  <iain@sandoe.co.uk>
 
 	PR bootstrap/91455

libsanitizer/tsan/tsan_rtl_ppc64.S

 #include "tsan_ppc_regs.h"
 
+        .machine altivec
         .section .text
         .hidden __tsan_setjmp
         .globl _setjmp