Re: [ANN] GCC 14.2.0-3 (aarch64, macOS)

[Simon Wright <simon@pushface.org>]

moi <findlaybill@blueyonder.co.uk> writes:

> On 22/11/2024 10:02, Björn Persson wrote:
>> Bill Findlay wrote:
>>> warning: '__builtin_memcpy' writing between 1 and 2147483647 bytes
>>> into a region of size 0 [-Wstringop-overflow=]
>> I've seen many occurrences of that bogus warning in Fedora, so it's
>> not unique to Simon's build. Thus the place to report it would be
>> https://gcc.gnu.org/bugzilla/.
>> Björn Persson
>> 
> Do you get it only in 14.2.0-*, Björn?

It happens with gcc version 15.0.0 20241102 (experimental) :-(

And with an x86_64-apple-darwin GCC 4.2.0 build (on aarch64, under
Rosetta) I noticed

In function 'disassembly__data_access_name',
    inlined from 'disassembly__the_full_name_of' at /Users/simon/tmp/emulation/Source/disassembly.adb:483:44:
/Users/simon/tmp/emulation/Source/disassembly.adb:452:48: warning: '__builtin_memcpy' writing between 1 and 2147483647 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
  452 |       modifier  : constant String  := M_suffix & Q_suffix;
      |                                                ^
/Users/simon/tmp/emulation/Source/disassembly.adb:452:48: note: destination object 'S1471b.315' of size 0
  452 |       modifier  : constant String  := M_suffix & Q_suffix;
      |                                                ^
/Users/simon/tmp/emulation/Source/disassembly.adb:452:48: warning: '__builtin_memcpy' writing between 1 and 2147483647 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
  452 |       modifier  : constant String  := M_suffix & Q_suffix;
      |                                                ^
/Users/simon/tmp/emulation/Source/disassembly.adb:452:48: note: destination object 'S1471b.315' of size 0
  452 |       modifier  : constant String  := M_suffix & Q_suffix;
      |                                                ^