Bootstrap failure on powerpc-apple-darwin

[Nathan Sidwell]

Andrew Pinski wrote:
> 
> On Oct 29, 2004, at 4:57 PM, Matt Austern wrote:
> 
>> stage1/xgcc -Bstage1/ -B/work/root.u/powerpc-apple-darwin7.5.0/bin/ -c 
>>   -g -O2 -mdynamic-no-pic -DIN_GCC   -W -Wall -Wwrite-strings 
>> -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long 
>> -Wno-variadic-macros -Wold-style-definition -Werror -fno-common   
>> -DHAVE_CONFIG_H    -I. -I. -I../../gcc.u/gcc -I../../gcc.u/gcc/. 
>> -I../../gcc.u/gcc/../include -I./../intl 
>> -I../../gcc.u/gcc/../libcpp/include  
>> ../../gcc.u/gcc/tree-ssa-operands.c -o tree-ssa-operands.o
>> cc1: warnings being treated as errors
>> ../../gcc.u/gcc/tree-ssa-operands.c: In function 'get_expr_operands':
>> ../../gcc.u/gcc/tree-ssa-operands.c:1624: warning: 'bi$ptr2' is used 
>> uninitialized in this function
> 
> 
> This warning is erroneous. bi.ptr2 is not used at all.  The reason why
> this happens is because the size (or the number of elements used) has
> changed for bitmap_iterator which means that we no longer SRA the copy
> of the struct.  Nathan's patch actually slowed down the compiler not
> sped it up at all.

Which patch?

nathan

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