[jit] Add support for unlimited size/number of arguments to the dyn call code (#5612)

[mono.git] / mono / mini / method-to-ir.c

diff --git a/mono/mini/method-to-ir.c b/mono/mini/method-to-ir.c
index 442ec3c0a5c9005eab5da957140d8c8851189215..3ac76cdfd8da9c4ea1327993de1364edac13c075 100644 (file)
--- a/mono/mini/method-to-ir.c
+++ b/mono/mini/method-to-ir.c
@@ -11838,7 +11838,7 @@ mono_method_to_ir (MonoCompile *cfg, MonoMethod *method, MonoBasicBlock *start_b
                                        cfg->dyn_call_var->flags |= MONO_INST_VOLATILE;
                                }
 
-                               /* Has to use a call inst since it local regalloc expects it */
+                               /* Has to use a call inst since local regalloc expects it */
                                MONO_INST_NEW_CALL (cfg, call, OP_DYN_CALL);
                                ins = (MonoInst*)call;
                                sp -= 2;
@@ -11847,6 +11847,8 @@ mono_method_to_ir (MonoCompile *cfg, MonoMethod *method, MonoBasicBlock *start_b
                                MONO_ADD_INS (cfg->cbb, ins);
 
                                cfg->param_area = MAX (cfg->param_area, cfg->backend->dyn_call_param_area);
+                               /* OP_DYN_CALL might need to allocate a dynamically sized param area */
+                               cfg->flags |= MONO_CFG_HAS_ALLOCA;
 
                                ip += 2;
                                inline_costs += 10 * num_calls++;