Import libiberty from gcc

[binutils-gdb.git] / include / diagnostics.h

diff --git a/include/diagnostics.h b/include/diagnostics.h
index 0f0a33c1a1ed67ecf585c2b253abe213fef4b9ba..8bf5a3c3d9b155913f363c8d6f39637c40004d5d 100644 (file)
--- a/include/diagnostics.h
+++ b/include/diagnostics.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2017-2020 Free Software Foundation, Inc.
+/* Copyright (C) 2017-2022 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -40,6 +40,8 @@
 
 # define DIAGNOSTIC_IGNORE(option) \
   _Pragma (DIAGNOSTIC_STRINGIFY (GCC diagnostic ignored option))
+# define DIAGNOSTIC_ERROR(option) \
+  _Pragma (DIAGNOSTIC_STRINGIFY (GCC diagnostic error option))
 #else
 # define DIAGNOSTIC_PUSH
 # define DIAGNOSTIC_POP
@@ -61,6 +63,9 @@
 # define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL \
   DIAGNOSTIC_IGNORE ("-Wformat-nonliteral")
 
+# define DIAGNOSTIC_ERROR_SWITCH \
+  DIAGNOSTIC_ERROR ("-Wswitch")
+
 #elif defined (__GNUC__) /* GCC */
 
 # if __GNUC__ >= 7
@@ -71,9 +76,19 @@
 # define DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION \
   DIAGNOSTIC_IGNORE ("-Wstringop-truncation")
 
+# define DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD \
+  DIAGNOSTIC_IGNORE ("-Wstringop-overread")
+
 # define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL \
   DIAGNOSTIC_IGNORE ("-Wformat-nonliteral")
 
+/* GCC 4.8's "diagnostic push/pop" seems broken when using this, -Wswitch
+   remains enabled at the error level even after a pop.  Therefore, don't
+   use it for GCC < 5.  */
+# if __GNUC__ >= 5
+#  define DIAGNOSTIC_ERROR_SWITCH DIAGNOSTIC_ERROR ("-Wswitch")
+# endif
+
 #endif
 
 #ifndef DIAGNOSTIC_IGNORE_SELF_MOVE
@@ -96,8 +111,16 @@
 # define DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION
 #endif
 
+#ifndef DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD
+# define DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD
+#endif
+
 #ifndef DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
 # define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
 #endif
 
+#ifndef DIAGNOSTIC_ERROR_SWITCH
+# define DIAGNOSTIC_ERROR_SWITCH
+#endif
+
 #endif /* DIAGNOSTICS_H */