[Bug go/63170] New: gccgo testcase recover.go fails execution with message 'missing recover' on ppc64 and ppc64le

[boger at us dot ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63170

            Bug ID: 63170
           Summary: gccgo testcase recover.go fails execution with message
                    'missing recover' on ppc64 and ppc64le
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: go
          Assignee: ian at airs dot com
          Reporter: boger at us dot ibm.com
                CC: cmang at google dot com

gccgo was built from trunk on power8 machines for both ppc64 and ppc64le with
the same results

./gccgo --version
gccgo (GCC) 5.0.0 20140904 (experimental)
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
This error occurs during make check testing for go for testcase:
gcc/testsuite/go.test/test/recover.go

Failing output for this testcase from go.log after running 'make check-gcc-go'

missing recover
Trace/breakpoint trap

main.die
       
/home/boger/gccgo.work/orig/trunk-src/gcc/testsuite/go.test/test/recover.go:69
main.mustRecoverBody
       
/home/boger/gccgo.work/orig/trunk-src/gcc/testsuite/go.test/test/recover.go:81
main.M.N7_main.T5
       
/home/boger/gccgo.work/orig/trunk-src/gcc/testsuite/go.test/test/recover.go:437
reflect.call
       
/home/boger/gccgo.work/orig/trunk-src/libgo/runtime/go-reflect-call.c:226
reflect.call.N13_reflect.Value
        /home/boger/gccgo.work/orig/trunk-src/libgo/go/reflect/value.go:576
reflect.Call.N13_reflect.Value
        /home/boger/gccgo.work/orig/trunk-src/libgo/go/reflect/value.go:412
reflect.$nested2
        /home/boger/gccgo.work/orig/trunk-src/libgo/go/reflect/makefunc.go:175
reflect.ffiCall
       
/home/boger/gccgo.work/orig/trunk-src/libgo/go/reflect/makefunc_ffi.go:64
reflect.$nested3
       
/home/boger/gccgo.work/orig/trunk-src/libgo/go/reflect/makefunc_ffi.go:36
main.test13reflect2
       
/home/boger/gccgo.work/orig/trunk-src/gcc/testsuite/go.test/test/recover.go:456
main.main
       
/home/boger/gccgo.work/orig/trunk-src/gcc/testsuite/go.test/test/recover.go:58

goroutine 18 [finalizer wait]:
created by runtime_createfing
        /home/boger/gccgo.work/orig/trunk-src/libgo/runtime/mgc0.c:2572
FAIL: go.test/test/recover.go execution,  -O2 -g