Comment 1 for bug 1352417

Created attachment 33243
test case

seen on the 4.8 and 4.9 branch, cc1plus doesn't terminate. omitting the -g lets the command succeed.

$ g++ -v -std=c++0x -c -g -O2 qmltextgenerator.cpp

Program received signal SIGINT, Interrupt.
0x0054920c in canonicalize_values_star(variable_def**, dataflow_set_def*) ()
(gdb) bt
#0 0x0054920c in canonicalize_values_star(variable_def**, dataflow_set_def*)
    ()
#1 0x0054b0c2 in ?? ()
#2 0x0054ca08 in ?? ()
#3 0x0054d8ba in ?? ()
#4 0x0039928a in execute_one_pass(opt_pass*) ()
#5 0x00399448 in execute_pass_list(opt_pass*) ()
#6 0x00399452 in execute_pass_list(opt_pass*) ()
#7 0x00399452 in execute_pass_list(opt_pass*) ()
#8 0x00244a8c in ?? ()
#9 0x00245ca4 in compile() ()
#10 0x00246030 in finalize_compilation_unit() ()
#11 0x00158fc4 in cp_write_global_declarations() ()
#12 0x00409394 in ?? ()
#13 0x0040aad0 in toplev_main(int, char**) ()
#14 0xb6d4f630 in __libc_start_main (main=0x111e19 <main>, argc=26,
    argv=0xbefff604, init=<optimized out>, fini=0x7b2af5 <__libc_csu_fini>,
    rtld_fini=0xb6fe24e5 <_dl_fini>, stack_end=0xbefff604) at libc-start.c:287
#15 0x00112058 in _start ()

defaults are -march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 -mthumb