[Mono-bugs] [Bug 561940] New: abort in mono_method_to_ir (var->opcode == OP_REGOFFSET) while JITting a verified method

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Wed Dec 9 13:24:00 EST 2009



           Summary: abort in mono_method_to_ir (var->opcode ==
                    OP_REGOFFSET) while JITting a verified method
    Classification: Mono
           Product: Mono: Runtime
           Version: 2.6.x
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: JIT
        AssignedTo: lupus at novell.com
        ReportedBy: spouliot at novell.com
         QAContact: mono-bugs at lists.ximian.com
                CC: rkumpera at novell.com
          Found By: ---
           Blocker: ---

Created an attachment (id=331799)
 --> (http://bugzilla.novell.com/attachment.cgi?id=331799)
assembly to reproduce abort

MONO_PATH=/opt/mono/lib/moonlight/plugin/ gdb --args mono --security=core-clr
--compile-all System.sigabrt.15926.dll

** ERROR:(method-to-ir.c:10754):mono_spill_global_vars: assertion failed:
(var->opcode == OP_REGOFFSET)

Program received signal SIGABRT, Aborted.
[Switching to Thread 0x407eb950 (LWP 15263)]
0x00007f15815ef5c5 in raise () from /lib64/libc.so.6
(gdb) bt
#0  0x00007f15815ef5c5 in raise () from /lib64/libc.so.6
#1  0x00007f15815f0bb3 in abort () from /lib64/libc.so.6
#2  0x00007f158241d2c7 in g_assertion_message () from
#3  0x00007f158241d762 in g_assertion_message_expr () from
#4  0x0000000000482dfe in mono_spill_global_vars (cfg=0xa34200,
need_local_opts=0x407eaddc) at method-to-ir.c:10754
#5  0x00000000004201ff in mini_method_compile (method=0xa923e8, opts=55667199,
domain=0x7f1582933db0, run_cctors=0, compile_aot=0, parts=0) at mini.c:3709
#6  0x00000000004a382e in compile_all_methods_thread_main (args=0x7fff8aaa1620)
at driver.c:881
#7  0x00000000005aebe6 in start_wrapper (data=0xa272f0) at threads.c:662
#8  0x0000000000657b1f in thread_start_routine (args=0x9fab10) at
#9  0x0000000000670d3a in GC_start_routine (arg=0x7f1582934e70) at
#10 0x00007f1581b73040 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f158169008d in clone () from /lib64/libc.so.6
#12 0x0000000000000000 in ?? ()

(gdb) p method->name
$1 = 0x7f1582913a73 "get_Options"
(gdb) p method->klass->name
$2 = 0x7f158291135f "Regex"
(gdb) p method->klass->name_space
$3 = 0x7f15829111b9 "System.Text.RegularExpressions"

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