https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61871
--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> --- The testcase now fails also on i686-linux-gnu (Fedora 20, x86_64 with -m32): runtime: memory allocated by OS (0xef4f1000) not in usable range [0x18200000,0x98200000) runtime: out of memory: cannot allocate 72744960-byte block (496762880 in use) fatal error: out of memory goroutine 32 [running]: runtime_dopanic /home/uros/gcc-svn/trunk/libgo/runtime/panic.c:131 runtime_throw /home/uros/gcc-svn/trunk/libgo/runtime/panic.c:193 largealloc /home/uros/gcc-svn/trunk/libgo/runtime/malloc.goc:288 runtime_mallocgc /home/uros/gcc-svn/trunk/libgo/runtime/malloc.goc:234 __go_alloc /home/uros/gcc-svn/trunk/libgo/runtime/malloc.goc:332 __go_append /home/uros/gcc-svn/trunk/libgo/runtime/go-append.c:63 regexp.onePassCopy /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/onepass.go:227 regexp.compileOnePass /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/onepass.go:573 regexp.compile /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/regexp.go:168 regexp.Compile /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/regexp.go:118 regexp.MustCompile /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/regexp.go:219 regexp.TestOnePassCutoff /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/all_test.go:478 testing.tRunner /home/uros/gcc-svn/trunk/libgo/go/testing/testing.go:422 kickoff /home/uros/gcc-svn/trunk/libgo/runtime/proc.c:212 panic during panic goroutine 32 [running]: runtime_dopanic /home/uros/gcc-svn/trunk/libgo/runtime/panic.c:131 runtime_startpanic /home/uros/gcc-svn/trunk/libgo/runtime/panic.c:100 runtime_throw /home/uros/gcc-svn/trunk/libgo/runtime/panic.c:191 runtime_mallocgc /home/uros/gcc-svn/trunk/libgo/runtime/malloc.goc:121 __go_alloc /home/uros/gcc-svn/trunk/libgo/runtime/malloc.goc:332 callback /home/uros/gcc-svn/trunk/libgo/runtime/go-caller.c:50 dwarf_lookup_pc /home/uros/gcc-svn/trunk/libbacktrace/dwarf.c:2838 dwarf_fileline /home/uros/gcc-svn/trunk/libbacktrace/dwarf.c:2877 backtrace_pcinfo /home/uros/gcc-svn/trunk/libbacktrace/fileline.c:176 __go_file_line /home/uros/gcc-svn/trunk/libgo/runtime/go-caller.c:137 runtime_printcreatedby /home/uros/gcc-svn/trunk/libgo/runtime/proc.c:595 runtime_dopanic /home/uros/gcc-svn/trunk/libgo/runtime/panic.c:132 runtime_throw /home/uros/gcc-svn/trunk/libgo/runtime/panic.c:193 largealloc /home/uros/gcc-svn/trunk/libgo/runtime/malloc.goc:288 runtime_mallocgc /home/uros/gcc-svn/trunk/libgo/runtime/malloc.goc:234 __go_alloc /home/uros/gcc-svn/trunk/libgo/runtime/malloc.goc:332 __go_append /home/uros/gcc-svn/trunk/libgo/runtime/go-append.c:63 regexp.onePassCopy /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/onepass.go:227 regexp.compileOnePass /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/onepass.go:573 regexp.compile /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/regexp.go:168 regexp.Compile /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/regexp.go:118 regexp.MustCompile /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/regexp.go:219 regexp.TestOnePassCutoff /ssd/uros/gcc-build/x86_64-unknown-linux-gnu/32/libgo/gotest24887/test/all_test.go:478 testing.tRunner /home/uros/gcc-svn/trunk/libgo/go/testing/testing.go:422 kickoff /home/uros/gcc-svn/trunk/libgo/runtime/proc.c:212 stack trace unavailable FAIL: regexp