[Bug target/60598] New: [4.9 Regression] ICE in maybe_record_trace_start, at dwarf2cfi.c:2239

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

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60598

            Bug ID: 60598
           Summary: [4.9 Regression] ICE in maybe_record_trace_start, at
                    dwarf2cfi.c:2239
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org
            Target: s390x-*-*

Created attachment 32401
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32401&action=edit
testcase

For example building libnettle on s390x (happens for many more packages)
results
in

gcc -I.  -DHAVE_CONFIG_H -fmessage-length=0 -grecord-gcc-switches
-fstack-protector -O2 -Wall -D_FORTIFY_SOURCE=2 -funwind-tables
-fasynchronous-unwind-tables -Wno-coverage-mismatch -g -ggdb3 -Wno-pointer-sign
-Wall -W   -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  
-Wpointer-arith -Wbad-function-cast -Wnested-externs -fpic  -fpic -c
camellia-set-decrypt-key.c
camellia-set-decrypt-key.c: In function 'nettle_camellia_invert_key':
camellia-set-decrypt-key.c:53:1: internal compiler error: in
maybe_record_trace_start, at dwarf2cfi.c:2239
 }
 ^
libbacktrace could not find executable to open
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