1 files changed, 51 insertions, 0 deletions
diff --git a/build-support/java12-openjdk/jdk12u-jdk-12.0.2+10-c1.patch b/build-support/java12-openjdk/jdk12u-jdk-12.0.2+10-c1.patch
new file mode 100644
index 00000000..597c76ba
--- /dev/null
+++ b/build-support/java12-openjdk/jdk12u-jdk-12.0.2+10-c1.patch
@@ -0,0 +1,51 @@
+diff -rauN jdk12u-jdk-12.0.2+10/src/hotspot/share/c1/c1_Instruction.hpp jdk12u-jdk-12.0.2+10-c1-patch/src/hotspot/share/c1/c1_Instruction.hpp
+--- jdk12u-jdk-12.0.2+10/src/hotspot/share/c1/c1_Instruction.hpp	2019-07-16 18:38:28.000000000 +0200
++++ jdk12u-jdk-12.0.2+10-c1-patch/src/hotspot/share/c1/c1_Instruction.hpp	2021-05-19 16:54:56.288783039 +0200
+@@ -303,7 +303,6 @@
+   XHandlers*   _exception_handlers;              // Flat list of exception handlers covering this instruction
+ 
+   friend class UseCountComputer;
+-  friend class BlockBegin;
+ 
+   void update_exception_state(ValueStack* state);
+ 
+@@ -349,7 +348,6 @@
+   void* operator new(size_t size) throw() {
+     Compilation* c = Compilation::current();
+     void* res = c->arena()->Amalloc(size);
+-    ((Instruction*)res)->_id = c->get_next_id();
+     return res;
+   }
+ 
+@@ -410,11 +408,11 @@
+ 
+   // creation
+   Instruction(ValueType* type, ValueStack* state_before = NULL, bool type_is_constant = false)
+-  :
++  : _id(Compilation::current()->get_next_id())
++  , _use_count(0)
+ #ifndef PRODUCT
+-  _printable_bci(-99),
++  , _printable_bci(-99)
+ #endif
+-    _use_count(0)
+   , _pin_state(0)
+   , _type(type)
+   , _next(NULL)
+@@ -1649,8 +1647,6 @@
+    void* operator new(size_t size) throw() {
+     Compilation* c = Compilation::current();
+     void* res = c->arena()->Amalloc(size);
+-    ((BlockBegin*)res)->_id = c->get_next_id();
+-    ((BlockBegin*)res)->_block_id = c->get_next_block_id();
+     return res;
+   }
+ 
+@@ -1662,6 +1658,7 @@
+   // creation
+   BlockBegin(int bci)
+   : StateSplit(illegalType)
++  , _block_id(Compilation::current()->get_next_block_id())
+   , _bci(bci)
+   , _depth_first_number(-1)
+   , _linear_scan_number(-1)