Do not allow -mabi=ms and -fsanitize={,kernel-}address (PR sanitizer/87930).

2018-11-13  Martin Liska  <mliska@suse.cz>

	PR sanitizer/87930
	* config/i386/i386.c (ix86_option_override_internal): Error
	about usage -mabi=ms and -fsanitize={,kernel-}address.
2018-11-13  Martin Liska  <mliska@suse.cz>

	PR sanitizer/87930
	* gcc.target/i386/pr87930.c: New test.

From-SVN: r266073

gcc/ChangeLog

+2018-11-13  Martin Liska  <mliska@suse.cz>
+
+	PR sanitizer/87930
+	* config/i386/i386.c (ix86_option_override_internal): Error
+	about usage -mabi=ms and -fsanitize={,kernel-}address.
+
 2018-11-13  Andre Vieira  <andre.simoesdiasvieira@arm.com>
 
 	* config/aarch64/aarch64.c

gcc/config/i386/i386.c

@@ -3546,6 +3546,11 @@ ix86_option_override_internal (bool main_args_p,
     error ("-mabi=ms not supported with X32 ABI");
   gcc_assert (opts->x_ix86_abi == SYSV_ABI || opts->x_ix86_abi == MS_ABI);
 
+  if ((opts->x_flag_sanitize & SANITIZE_USER_ADDRESS) && opts->x_ix86_abi == MS_ABI)
+    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%>");
+
   /* For targets using ms ABI enable ms-extensions, if not
      explicit turned off.  For non-ms ABI we turn off this
      option.  */

gcc/testsuite/ChangeLog

+2018-11-13  Martin Liska  <mliska@suse.cz>
+
+	PR sanitizer/87930
+	* gcc.target/i386/pr87930.c: New test.
+
 2018-11-13  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/87962

gcc/testsuite/gcc.target/i386/pr87930.c

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