re PR ada/71817 (suspicious condition in C code)

	PR ada/71817
	* adaint.c (__gnat_is_read_accessible_file): Add parentheses.
	(__gnat_is_write_accessible_file): Likewise.

From-SVN: r238204

gcc/ada/ChangeLog

+2016-07-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR ada/71817
+	* adaint.c (__gnat_is_read_accessible_file): Add parentheses.
+	(__gnat_is_write_accessible_file): Likewise.
+
 2016-07-07  Ed Schonberg  <schonberg@adacore.com>
 
 	* exp_ch6.adb (Expand_Internal_Init_Call): Subsidiary procedure

gcc/ada/adaint.c

@@ -1924,7 +1924,7 @@ __gnat_is_read_accessible_file (char *name)
 #elif defined (__vxworks)
    int fd;
 
-   if (fd = open (name, O_RDONLY, 0) < 0)
+   if ((fd = open (name, O_RDONLY, 0)) < 0)
      return 0;
    close (fd);
    return 1;
@@ -1997,7 +1997,7 @@ __gnat_is_write_accessible_file (char *name)
 #elif defined (__vxworks)
    int fd;
 
-   if (fd = open (name, O_WRONLY, 0) < 0)
+   if ((fd = open (name, O_WRONLY, 0)) < 0)
      return 0;
    close (fd);
    return 1;