[Bug target/62013] New: [4.8/4.9 Regresion] cc1plus doesn't terminate when called with -g on arm-linux-gnueabihf

["doko at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62013

            Bug ID: 62013
           Summary: [4.8/4.9 Regresion] cc1plus doesn't terminate when
                    called with -g on arm-linux-gnueabihf
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org

Created attachment 33243
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33243&action=edit
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