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[Bug middle-end/44690] New: -fzero-initialized-in-bss does not work
- From: "jan dot kratochvil at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 27 Jun 2010 12:24:50 -0000
- Subject: [Bug middle-end/44690] New: -fzero-initialized-in-bss does not work
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
const int i; -fno-zero-initialized-in-bss -> .bss = FAIL
const int i; -fzero-initialized-in-bss -> .bss
const int i = 0; -fno-zero-initialized-in-bss -> .rodata
const int i = 0; -fzero-initialized-in-bss -> .rodata = FAIL
const int i = 1; -fno-zero-initialized-in-bss -> .rodata
const int i = 1; -fzero-initialized-in-bss -> .rodata
gcc (GCC) 4.6.0 20100627 (experimental)
(gcc-4.4+ behaves the same)
-fzero-initialized-in-bss is the default now.
(a) Creating .robss would solve it all but OK, there isn't any.
(b) At least -O0 -g should default to -fno-zero-initialized-in-bss as it better
catches bugs of modified const zeroed variables.
--
Summary: -fzero-initialized-in-bss does not work
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jan dot kratochvil at redhat dot com
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44690