+2002-11-10 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ * c-decl.c (grokdeclarator): Make error for duplicate type
+ qualifiers into a pedwarn, disabled for C99.
+
2002-11-10 Hans-Peter Nilsson <hp@bitrange.com>
* config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Define the same
}
}
else if (specbits & (1 << (int) i))
- error ("duplicate `%s'", IDENTIFIER_POINTER (id));
+ {
+ if (i == RID_CONST || i == RID_VOLATILE || i == RID_RESTRICT)
+ {
+ if (!flag_isoc99)
+ pedwarn ("duplicate `%s'", IDENTIFIER_POINTER (id));
+ }
+ else
+ error ("duplicate `%s'", IDENTIFIER_POINTER (id));
+ }
/* Diagnose "__thread extern". Recall that this list
is in the reverse order seen in the text. */
+2002-11-10 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ * gcc.dg/c90-idem-qual-2.c, gcc.dg/c99-idem-qual-2.c: New tests.
+
2002-11-09 Hans-Peter Nilsson <hp@bitrange.com>
* lib/compat.exp (compat-execute): Fix logic error in last
--- /dev/null
+/* Test for idempotent type qualifiers: in C99 only. Test "const const". */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
+
+const const int foo; /* { dg-bogus "warning" "warning in place of error" } */
+/* { dg-error "duplicate" "duplicate type qualifier error" { target *-*-* } 6 } */
--- /dev/null
+/* Test for idempotent type qualifiers: in C99 only. Test "const const". */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
+
+const const int foo; /* { dg-bogus "duplicate" "duplicate type qualifier error" } */