[Bug regression/59923] New: [4.9 Regression] ICE in maybe_record_trace_start, at dwarf2cfi.c:2239 with -mcpu=cortex-a15 -mthumb -O2 -fvisibility=hidden -g

[Bernhard.Rosenkranzer at linaro dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59923

            Bug ID: 59923
           Summary: [4.9 Regression] ICE in maybe_record_trace_start, at
                    dwarf2cfi.c:2239 with -mcpu=cortex-a15 -mthumb -O2
                    -fvisibility=hidden -g
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: regression
          Assignee: unassigned at gcc dot gnu.org
          Reporter: Bernhard.Rosenkranzer at linaro dot org

Created attachment 31935
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31935&action=edit
test case

$ /tmp/android-toolchain-eabi/bin/arm-linux-androideabi-gcc -o test.o -c
ucmndata.i -mcpu=cortex-a15  -g  -mthumb -fno-strict-aliasing -O2
-fvisibility=hidden
external/icu4c/common/ucmndata.c: In function 'udata_checkCommonData_51':
external/icu4c/common/ucmndata.c:362:1: internal compiler error: in
maybe_record_trace_start, at dwarf2cfi.c:2239
 }
 ^
0x4f3020 ???
        ../sysdeps/x86_64/start.S:122
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
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This might be a duplicate of bug 59575, but the code triggering it seems to be
rather different (didn't have the time to reduce it yet though).