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[Bug other/49775] New: [4.6.1 Regression on AVR] ICE in based_loc_descr


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49775

           Summary: [4.6.1 Regression on AVR] ICE in based_loc_descr
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: anitha.boyapati@atmel.com


AVR target built with specs:

Using built-in specs.
COLLECT_GCC=avr-gcc
COLLECT_LTO_WRAPPER=/home/anitha/install/libexec/gcc/avr/4.6.1/lto-wrapper
Target: avr
Configured with: ../configure --prefix=/home/anitha/install --target=avr
--with-gmp=/proj/install/gmp-4.3.2/ --with-mpfr=/proj/install/mpfr-2.4.2/
--with-mpc=/proj/install/mpc-0.8.2/ --enable-languages=c,c++ --disable-libssp
--disable-nls --with-dwarf2
Thread model: single
gcc version 4.6.1 (GCC) 


The above compiler gives an ICE in based_loc_descr() of dwarf2out.c for 2
testcases present in gcc/testsuite/gcc.c-torture/compile/pr17906.c and
gcc/testsuite/gcc.c-torture/compile/pr35432.c.

Output for pr17906.c
--------------------

/home/anitha/patch-upgrade/gcc-4.6.1/gcc/testsuite/gcc.c-torture/compile/pr17906.c:
In function 'usc_recressive_func':
/home/anitha/patch-upgrade/gcc-4.6.1/gcc/testsuite/gcc.c-torture/compile/pr17906.c:7:1:
internal compiler error: in based_loc_descr, at dwarf2out.c:13563

Output for pr35432.c
--------------------

/gcc-4.6.1/gcc/testsuite/gcc.c-torture/compile/pr35432.c    (timeout = 300)
/home/anitha/patch-upgrade/gcc-4.6.1/gcc/testsuite/gcc.c-torture/compile/pr35432.c:
In function 'foo':
/home/anitha/patch-upgrade/gcc-4.6.1/gcc/testsuite/gcc.c-torture/compile/pr35432.c:11:1:
internal compiler error: in based_loc_descr, at dwarf2out.c:13563


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