[Bug bootstrap/49964] Bootstrap failed with AVX turned on

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49964

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.08.03 17:37:53
                 CC|                            |rth at gcc dot gnu.org
   Target Milestone|---                         |4.7.0
     Ever Confirmed|0                           |1

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-03 17:37:53 UTC ---
It is caused by revision 177218:

http://gcc.gnu.org/ml/gcc-cvs/2011-08/msg00228.html

On Linux/ia32, adding -march=corei7-avx caused:

[hjl@gnu-snb-1 src]$ /export/gnu/import/rrs-bootstrap/177218/bld/./gcc/xgcc
-shared-libgcc -B/export/gnu/import/rrs-bootstrap/177218/bld/./gcc -nostdinc++
-L/export/gnu/import/rrs-bootstrap/177218/bld/x86_64-unknown-linux-gnu/32/libstdc++-v3/src
-L/export/gnu/import/rrs-bootstrap/177218/bld/x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs
-B/export/gnu/import/rrs-bootstrap/177218/usr/x86_64-unknown-linux-gnu/bin/
-B/export/gnu/import/rrs-bootstrap/177218/usr/x86_64-unknown-linux-gnu/lib/
-isystem
/export/gnu/import/rrs-bootstrap/177218/usr/x86_64-unknown-linux-gnu/include
-isystem
/export/gnu/import/rrs-bootstrap/177218/usr/x86_64-unknown-linux-gnu/sys-include
-m32
-I/export/gnu/import/rrs-bootstrap/177218/bld/x86_64-unknown-linux-gnu/32/libstdc++-v3/include/x86_64-unknown-linux-gnu
-I/export/gnu/import/rrs-bootstrap/177218/bld/x86_64-unknown-linux-gnu/32/libstdc++-v3/include
-I/export/gnu/import/rrs-bootstrap/177218/src/libstdc++-v3/libsupc++
-fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual
-fdiagnostics-show-location=once -ffunction-sections -fdata-sections
-frandom-seed=functexcept.lo -g -O2 -D_GNU_SOURCE -m32 -std=gnu++0x -c
../../../../../src/libstdc++-v3/src/functexcept.cc  -fPIC -DPIC -S
-march=corei7-avx
../../../../../src/libstdc++-v3/src/functexcept.cc: In function ‘void
std::__throw_system_error(int)’:
../../../../../src/libstdc++-v3/src/functexcept.cc:106:62: internal compiler
error: in fixup_args_size_notes, at expr.c:3586
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[hjl@gnu-snb-1 src]$