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gdb: Always suppress stringop-overread warning in debuginfod-support.c

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Just like on s390x with g++ 11.2.1 and ppc64le with g++ 11.3.1 g++ 11
on hppa produces a spurious warning for stringop-overread in
debuginfod_is_enabled for url_view. Just always suppress it on all
arches.

https://sourceware.org/bugzilla/show_bug.cgi?id=29198

gdb/ChangeLog:

	* debuginfod-support.c (debuginfod_is_enabled): Always use
	DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD.
This commit is contained in:
Mark Wielaard 2022-05-31 11:00:06 +02:00
parent 55bb7f5bb6
commit dac0515d82
1 changed files with 4 additions and 7 deletions
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11
gdb/debuginfod-support.c
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@ -193,17 +193,14 @@ debuginfod_is_enabled ()
if (off == gdb::string_view::npos)
break;
url_view = url_view.substr (off);
#if defined (__s390x__) || defined (__powerpc64__)
/* g++ 11.2.1 on s390x and g++ 11.3.1 on ppc64le seem convinced
url_view might be of SIZE_MAX length. And so complains
because the length of an array can only be PTRDIFF_MAX. */
/* g++ 11.2.1 on s390x, g++ 11.3.1 on ppc64le and g++ 11 on
hppa seem convinced url_view might be of SIZE_MAX length.
And so complains because the length of an array can only
be PTRDIFF_MAX. */
DIAGNOSTIC_PUSH
DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD
#endif
off = url_view.find_first_of (' ');
#if defined (__s390x__) || defined (__powerpc64__)
DIAGNOSTIC_POP
#endif
gdb_printf
(_(" <%ps>\n"),
styled_string (file_name_style.style (),