C-family: Replace "may may" with "may" in warning message

gcc/c-family/

	* c-warn.c (warn_for_address_or_pointer_of_packed_member):
	Replace "may may" with "may" in warning message.

gcc/testsuite/

	* gcc.dg/pr51628-20.c: Updated.
	* gcc.dg/pr51628-21.c: Likewise.
	* gcc.dg/pr51628-25.c: Likewise.

From-SVN: r267904

gcc/c-family/ChangeLog

+2019-01-13  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* c-warn.c (warn_for_address_or_pointer_of_packed_member):
+	Replace "may may" with "may" in warning message.
+
 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/85052

gcc/c-family/c-warn.c

@@ -2828,7 +2828,7 @@ warn_for_address_or_pointer_of_packed_member (bool convert_p, tree type,
 	      location_t location = EXPR_LOC_OR_LOC (rhs, input_location);
 	      warning_at (location, OPT_Waddress_of_packed_member,
 			  "converting a packed %qT pointer (alignment %d) "
-			  "to %qT (alignment %d) may may result in an "
+			  "to %qT (alignment %d) may result in an "
 			  "unaligned pointer value",
 			  rhstype, rhs_align, type, type_align);
 	      tree decl = TYPE_STUB_DECL (TREE_TYPE (rhstype));

gcc/testsuite/ChangeLog

+2019-01-13  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* gcc.dg/pr51628-20.c: Updated.
+	* gcc.dg/pr51628-21.c: Likewise.
+	* gcc.dg/pr51628-25.c: Likewise.
+
 2019-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	PR fortran/59345

gcc/testsuite/gcc.dg/pr51628-20.c

@@ -8,4 +8,4 @@ struct C { struct B b; } __attribute__ ((packed));
 extern struct C *p;
 
 long* g8 (void) { return p; }
-/* { dg-warning "may may result in an unaligned pointer value" "" { target *-*-* } .-1 } */
+/* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */

gcc/testsuite/gcc.dg/pr51628-21.c

@@ -8,4 +8,4 @@ struct C { struct B b; } __attribute__ ((packed));
 extern struct C p[];
 
 long* g8 (void) { return p; }
-/* { dg-warning "may may result in an unaligned pointer value" "" { target *-*-* } .-1 } */
+/* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */

gcc/testsuite/gcc.dg/pr51628-25.c

@@ -6,4 +6,4 @@ struct B { int i; };
 struct C { struct B b; } __attribute__ ((packed));
 
 long* g8 (struct C *p) { return p; }
-/* { dg-warning "may may result in an unaligned pointer value" "" { target *-*-* } .-1 } */
+/* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */