Do not mix -fsanitize=thread and -mabi=ms (PR sanitizer/88017).

2018-11-22  Martin Liska  <mliska@suse.cz>

	PR sanitizer/88017
	* config/i386/i386.c (ix86_option_override_internal):
2018-11-22  Martin Liska  <mliska@suse.cz>

	PR sanitizer/88017
	* gcc.dg/tsan/pr88017.c: New test.

From-SVN: r266368

gcc/ChangeLog

+2018-11-22  Martin Liska  <mliska@suse.cz>
+
+	PR sanitizer/88017
+	* config/i386/i386.c (ix86_option_override_internal):
+
 2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
 
 	Revert the revert:

gcc/config/i386/i386.c

@@ -3550,6 +3550,8 @@ ix86_option_override_internal (bool main_args_p,
     error ("%<-mabi=ms%> not supported with %<-fsanitize=address%>");
   if ((opts->x_flag_sanitize & SANITIZE_KERNEL_ADDRESS) && opts->x_ix86_abi == MS_ABI)
     error ("%<-mabi=ms%> not supported with %<-fsanitize=kernel-address%>");
+  if ((opts->x_flag_sanitize & SANITIZE_THREAD) && opts->x_ix86_abi == MS_ABI)
+    error ("%<-mabi=ms%> not supported with %<-fsanitize=thread%>");
 
   /* For targets using ms ABI enable ms-extensions, if not
      explicit turned off.  For non-ms ABI we turn off this

gcc/testsuite/ChangeLog

+2018-11-22  Martin Liska  <mliska@suse.cz>
+
+	PR sanitizer/88017
+	* gcc.dg/tsan/pr88017.c: New test.
+
 2018-11-21  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/88122

gcc/testsuite/gcc.dg/tsan/pr88017.c

+/* { dg-do compile { target { { i?86-*-* x86_64-*-* } && lp64 } } } */
+/* { dg-options "-fsanitize=thread -mabi=ms" } */
+
+int i;
+
+/* { dg-error ".-mabi=ms. not supported with .-fsanitize=thread." "" { target *-*-* } 0 } */