ADDITIONAL SYSTEM INFORMATION : # JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug--b00) # Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug compiled mode linux-amd64 compressed oops) A DESCRIPTION OF THE PROBLEM : I ran a modified regression test case on JDK8u392 and found that the JVM crashed with -Xcomp options. # # A fatal error has been detected by the Java Runtime Environment: # # Internal Error (/data//jdk8u/hotspot/src/share/vm/c1/c1_LinearScan.cpp:3253), pid=8928, tid=0x00007fb716050700 # assert(has_error == false) failed: register allocation invalid # # JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug--b00) # Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug compiled mode linux-amd64 compressed oops) # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again # # If you would like to submit a bug report, please visit: # http://bugreport.java.com/bugreport/crash.jsp # STEPS TO FOLLOW TO REPRODUCE THE PROBLEM : java -Xcomp -cp "6/" compiler.regalloc.TestC1OverlappingRegisterHint ACTUAL - Intervals 412 and 434 overlap and have the same register assigned 412 int "[stack:3|I]" 209 209 [375, 440[ [446, 478[ 398 S 440 S 478 S "no optimization" 434 int "[stack:3|I]" 238 238 [399, 404[ "no optimization" # To suppress the following error report, specify this argument # after -XX: or in .hotspotrc: SuppressErrorAt=/c1_LinearScan.cpp:3253 # # A fatal error has been detected by the Java Runtime Environment: # # Internal Error (/data//jdk8u/hotspot/src/share/vm/c1/c1_LinearScan.cpp:3253), pid=8928, tid=0x00007fb716050700 # assert(has_error == false) failed: register allocation invalid # # JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug--b00) # Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug compiled mode linux-amd64 compressed oops) # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again # # An error report file with more information is saved as: # /home//repository//toreport/TestC1OverlappingRegisterHint_09_24_23_57_54/hs_err_pid8928.log # # Compiler replay data is saved as: # /home//repository//toreport/TestC1OverlappingRegisterHint_09_24_23_57_54/replay_pid8928.log # # If you would like to submit a bug report, please visit: # http://bugreport.java.com/bugreport/crash.jsp # ---------- BEGIN SOURCE ---------- The source code file and hs_err file are available at the URL: https://drive.google.com/file/d/1_d9LHocAj-4aVRMB5Azasod5huqEK7uO/view?usp=drive_link ---------- END SOURCE ---------- FREQUENCY : always
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