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Re: Lists and aliasing (Re: Freeze on 27 February)

From: Lennart Sorensen
Subject: Re: Lists and aliasing (Re: Freeze on 27 February)
Date: Thu, 23 Feb 2012 12:43:08 -0500
User-agent: Mutt/1.5.20 (2009-06-14)

On Thu, Feb 23, 2012 at 07:17:49AM +0100, Vladimir 'φ-coder/phcoder' Serbinenko 
> >../../../grub-core/normal/charset.c: In function
> 'grub_bidi_line_logical_to_visual':
> ../../../grub-core/normal/charset.c:737: error: cannot optimize
> possibly infinite
> > loops If I do what is already done for GRUB_LONG_MIN and use:
> #define GRUB_INT_MIN (-0x7fffffff - 1) ...then gcc 4.6 is happy. gcc
> 4.4 goes on complaining
> > about the inability to optimize possibly infinite loops.
> in charset.c we actually want to ensure that it doesn't go negative.
> In grub-mkfont.c it's ok to disable warning altogether. Here is the
> patch (+grub-install fix)

gcc-4.6 -DHAVE_CONFIG_H -I. -I../..  -Wall -W -I./include -DGRUB_UTIL=1 
-DGRUB_LIBDIR=\"/usr/lib/grub\" -DLOCALEDIR=\"/usr/share/locale\"  
-DGRUB_FILE=\"grub-core/disk/diskfilter.c\" -I. -I../.. -I. -I../.. 
-I../../include -I./include  -I./grub-core/gnulib -I../../grub-core/gnulib      
          -g -Wall -O2 -Wall -W -Wshadow -Wold-style-declaration 
-Wold-style-definition -Wpointer-arith -Wundef -Wextra -Waddress -Warray-bounds 
-Wattributes -Wbuiltin-macro-redefined -Wcast-align -Wchar-subscripts 
-Wclobbered -Wcomment -Wcoverage-mismatch -Wdeprecated 
-Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero -Wempty-body 
-Wendif-labels -Wfloat-equal -Wformat-contains-nul -Wformat-extra-args 
-Wformat-security -Wformat-y2k -Wignored-qualifiers -Wimplicit 
-Wimplicit-function-declaration -Wimplicit-int -Winit-self 
-Wint-to-pointer-cast -Winvalid-pch -Wunsafe-loop-optimizations -Wlogical-op 
-Wmain -Wmissing-braces -Wmissing-field-initializers -Wmissing-format-attribute 
-Wmissing-noreturn -Wmudflap -Wmultichar -Wnonnull -Woverflow 
-Wpacked-bitfield-compat -Wparentheses -Wpointer-arith -Wpointer-to-int-cast 
-Wreturn-type -Wsequence-point -Wshadow -Wsign-compare -Wstrict-aliasing 
-Wswitch -Wsync-nand -Wtrigraphs  -Wtype-limits -Wundef -Wuninitialized 
-Wunknown-pragmas -Wunused -Wunused-function -Wunused-label -Wunused-parameter 
-Wunused-value  -Wunused-variable -Wvariadic-macros -Wvolatile-register-var 
-Wwrite-strings -Wmissing-parameter-type -Wnested-externs -Wstrict-prototypes 
-Wpointer-sign -Werror  -Wno-undef -Wno-sign-compare -Wno-unused 
-Wno-unused-parameter -Wno-redundant-decls -Wno-unreachable-code 
-Wno-conversion -Wno-old-style-definition -Wno-unsafe-loop-optimizations        
        -c -o grub-core/disk/libgrubkern_a-diskfilter.o `test -f 
'grub-core/disk/diskfilter.c' || echo '../../'`grub-core/disk/diskfilter.c
../../grub-core/disk/diskfilter.c: In function 'insert_array':
../../grub-core/disk/diskfilter.c:975:14: error: declaration of 'disk' shadows 
a parameter [-Werror=shadow]
../../grub-core/disk/diskfilter.c:953:27: error: shadowed declaration is here 

Len Sorensen

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