From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- gcc/testsuite/gnat.dg/warn4.adb | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 gcc/testsuite/gnat.dg/warn4.adb (limited to 'gcc/testsuite/gnat.dg/warn4.adb') diff --git a/gcc/testsuite/gnat.dg/warn4.adb b/gcc/testsuite/gnat.dg/warn4.adb new file mode 100644 index 000000000..94147c1e6 --- /dev/null +++ b/gcc/testsuite/gnat.dg/warn4.adb @@ -0,0 +1,30 @@ +-- { dg-do compile } +-- { dg-options "-O2" } + +with Unchecked_Conversion; + +procedure Warn4 is + + type POSIX_Character is new Standard.Character; + type POSIX_String is array (Positive range <>) of aliased POSIX_Character; + + type String_Ptr is access all String; + type POSIX_String_Ptr is access all POSIX_String; + + function sptr_to_psptr is new Unchecked_Conversion -- { dg-warning "aliasing problem" } + (String_Ptr, POSIX_String_Ptr); -- { dg-warning "" "" { target *-*-* } 14 } + + function To_POSIX_String (Str : String) return POSIX_String; + function To_POSIX_String (Str : String) + return POSIX_String is + begin + return sptr_to_psptr (Str'Unrestricted_Access).all; + end To_POSIX_String; + + A : Boolean; + S : String := "ABCD/abcd"; + P : Posix_String := "ABCD/abcd"; + +begin + A := To_POSIX_String (S) = P; +end; -- cgit v1.2.3