Package: gnat-4.4
Version: 4.4.5-3
Severity: normal
Tags: upstream patch
Forwarded: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47818
I reported this bug to gcc bugzilla, but it is also applies to Debian
(gnat-4.4 and gcc-snapshot).
Compilation of code containing pragma Assert fails if restriction
No_Implementation_Pragmas is used, even with -gnat2005 or -gnat2012
flags:
% cat test.adb
pragma Restrictions(No_Implementation_Pragmas);
procedure test(I : Integer) is
begin
pragma Assert(I /= 1);
null;
end;
% gcc -c test.adb -gnat2005
test.adb:5:03: violation of restriction "no_implementation_pragmas" at line 1
Source file gcc/ada/sem_prag.adb contains correct check for Pragma_Assert
(Ada_2005_Pragma). But this pragma is then rewritten as pragma Check and
restrictions (GNAT_Pragma) are tested again. This test fails and causes
compilation error.
Attached patch adds check in Pragma_Check case. If rewritten pragma Assert was
found then restrictions are not checked.
-- System Information:
Debian Release: wheezy/sid
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.38-rc5+ (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=uk_UA.UTF-8, LC_CTYPE=uk_UA.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages gnat-4.4 depends on:
ii gcc-4.4 4.4.5-12 The GNU C compiler
ii gnat-4.4-base 4.4.5-3 The GNU Compiler Collection (gnat
ii libc6 2.11.2-11 Embedded GNU C Library: Shared lib
ii libc6-dev 2.11.2-11 Embedded GNU C Library: Developmen
ii libgcc1 1:4.6-20110125-1 GCC support library
ii libgmp3c2 2:4.3.2+dfsg-1 Multiprecision arithmetic library
ii libgnat-4.4 4.4.5-3 Runtime library for GNU Ada applic
ii libgnatprj4.4 4.4.5-3 GNU Ada Project Manager
ii libgnatvsn4.4 4.4.5-3 GNU Ada compiler version library
ii libmpfr4 3.0.0-6 multiple precision floating-point
gnat-4.4 recommends no packages.
Versions of packages gnat-4.4 suggests:
pn ada-reference-manual <none> (no description available)
ii gnat-4.4-doc 4.4.4.nf1-1 documentation for the GNU Ada 95 C
ii gnat-gps 4.3-6 The GNAT Programming System - adva
ii gprbuild 1.3.0-2 a multi-language extensible build
-- no debconf information
diff --git a/gcc/ada/sem_prag.adb b/gcc/ada/sem_prag.adb
index fd509c4..b5bae50 100644
--- a/gcc/ada/sem_prag.adb
+++ b/gcc/ada/sem_prag.adb
@@ -6477,7 +6477,16 @@ package body Sem_Prag is
-- Set True if category of assertions referenced by Name enabled
begin
- GNAT_Pragma;
+ -- This could be a rewritten pragma Assert. If it is the case
+ -- then don't check restrictions, because they are different for
+ -- pragma Assert and were already checked.
+
+ if Nkind (Original_Node (N)) /= N_Pragma
+ or else Pragma_Name (Original_Node (N)) /= Name_Assert
+ then
+ GNAT_Pragma;
+ end if;
+
Check_At_Least_N_Arguments (2);
Check_At_Most_N_Arguments (3);
Check_Optional_Identifier (Arg1, Name_Name);
