[Bug tree-optimization/54831] New: [4.8 Regression] ICE: in vt_add_function_parameter, at var-tracking.c:9412 with -O -fno-split-wide-types -g

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54831



             Bug #: 54831

           Summary: [4.8 Regression] ICE: in vt_add_function_parameter, at

                    var-tracking.c:9412 with -O -fno-split-wide-types -g

    Classification: Unclassified

           Product: gcc

           Version: 4.8.0

            Status: UNCONFIRMED

          Severity: normal

          Priority: P3

         Component: tree-optimization

        AssignedTo: unassig...@gcc.gnu.org

        ReportedBy: zso...@seznam.cz





Created attachment 28368

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28368

reduced testcase



Compiler output:

$ gcc -O -fno-split-wide-types -g testcase.C 

testcase.C: In function 'void foo(mptr)':

testcase.C:16:1: internal compiler error: in vt_add_function_parameter, at

var-tracking.c:9412

 }

 ^

0xd7814a vt_add_function_parameter

        /mnt/svn/gcc-trunk/gcc/var-tracking.c:9412

0xd7825f vt_add_function_parameters

        /mnt/svn/gcc-trunk/gcc/var-tracking.c:9516

0xd78db7 vt_initialize

        /mnt/svn/gcc-trunk/gcc/var-tracking.c:9772

0xd827d6 variable_tracking_main_1

        /mnt/svn/gcc-trunk/gcc/var-tracking.c:10016

0xd827d6 variable_tracking_main()

        /mnt/svn/gcc-trunk/gcc/var-tracking.c:10069

Please submit a full bug report,

with preprocessed source if appropriate.

Please include the complete backtrace with any bug report.

See <http://gcc.gnu.org/bugs.html> for instructions.



Tested revisions:

r192080 - crash

r191586 - crash

4.7 r191640 - OK