Fastdebug C2 crashes in StoreBNode::Ideal at least on linux-i586. The related stack trace is #0 0xffffe410 in __kernel_vsyscall () #1 0xb7de98f5 in raise () from /lib/libc.so.6 #2 0xb7deb1e1 in abort () from /lib/libc.so.6 #3 0x0695436b in os::abort () #4 0x06b0d139 in VMError::report_and_die () #5 0x0695ac9d in JVM_handle_linux_signal () #6 0x069565e0 in signalHandler () #7 <signal handler called> #8 0x068f3b72 in StoreNode::Ideal_masked_input () #9 0x068f41cf in StoreBNode::Ideal () #10 0x069b00b6 in PhaseIterGVN::transform_old () #11 0x069af3d2 in PhaseIterGVN::optimize () #12 0x06569781 in Compile::Optimize () #13 0x0656549c in Compile::Compile () #14 0x064b3d63 in C2Compiler::compile_method () #15 0x065738df in CompileBroker::invoke_compiler_on_method () #16 0x06572d57 in CompileBroker::compiler_thread_loop () #17 0x06aafc8c in JavaThread::thread_main_inner () #18 0x06959548 in java_start () #19 0xb7f06192 in start_thread () from /lib/libpthread.so.0 #20 0xb7e8302e in clone () from /lib/libc.so.6
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