[Bug c++/64000] New: internal compiler error on lambda

["tobias.polzer+gcc at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64000

            Bug ID: 64000
           Summary: internal compiler error on lambda
           Product: gcc
           Version: 4.9.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tobias.polzer+gcc at gmail dot com

Created attachment 34053
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34053&action=edit
preprocessed source

g++ -std=c++11 -Wall -Wextra -g -O0    regex.cpp   -o regex
regex.cpp: In lambda function:
regex.cpp:72:25: warning: â<anonymous>â is used uninitialized in this function
[-Wuninitialized]
             if(dist[a][b] > d) {
                         ^
regex.cpp:72:25: internal compiler error: in expand_expr_real_1, at expr.c:9454
             if(dist[a][b] > d) {
                         ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.9/README.Bugs> for instructions.
Preprocessed source stored into /tmp/ccW3t071.out file, please attach this to
your bugreport.