Add missing set_sources

Author: JukkaL

mypyc/codegen/emitmodule.py

@@ -252,7 +252,7 @@ def compile_scc_to_ir(
             # Perform optimizations.
             do_copy_propagation(fn, compiler_options)
             do_flag_elimination(fn, compiler_options)
-            
+
     return modules
 
 

mypyc/ir/ops.py

@@ -692,6 +692,9 @@ def __init__(self, args: list[Value], desc: PrimitiveDescription, line: int = -1
     def sources(self) -> list[Value]:
         return self.args
 
+    def set_sources(self, new: list[Value]) -> None:
+        self.args = new[:]
+
     def stolen(self) -> list[Value]:
         steals = self.desc.steals
         if isinstance(steals, list):