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-rw-r--r--erts/emulator/beam/erl_vm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h
index cfc978b5a5..98f27a1725 100644
--- a/erts/emulator/beam/erl_vm.h
+++ b/erts/emulator/beam/erl_vm.h
@@ -141,6 +141,7 @@
typedef struct op_entry {
char* name; /* Name of instruction. */
Uint32 mask[3]; /* Signature mask. */
+ unsigned involves_r; /* Needs special attention when matching. */
int sz; /* Number of loaded words. */
char* pack; /* Instructions for packing engine. */
char* sign; /* Signature string. */