diff --git a/amaranth/tracer.py b/amaranth/tracer.py
index 17795f3..3cbce9a 100644
--- a/amaranth/tracer.py
+++ b/amaranth/tracer.py
@@ -16,13 +16,15 @@ def get_var_name(depth=2, default=_raise_exception):
     frame = sys._getframe(depth)
     code = frame.f_code
     call_index = frame.f_lasti
+    while call_index > 0 and opname[code.co_code[call_index]] == "CACHE":
+        call_index -= 2
     while True:
         call_opc = opname[code.co_code[call_index]]
         if call_opc in ("EXTENDED_ARG",):
             call_index += 2
         else:
             break
-    if call_opc not in ("CALL_FUNCTION", "CALL_FUNCTION_KW", "CALL_FUNCTION_EX", "CALL_METHOD"):
+    if call_opc not in ("CALL_FUNCTION", "CALL_FUNCTION_KW", "CALL_FUNCTION_EX", "CALL_METHOD", "CALL"):
         return None
 
     index = call_index + 2
@@ -36,9 +38,11 @@ def get_var_name(depth=2, default=_raise_exception):
             return code.co_varnames[name_index]
         elif opc == "STORE_DEREF":
             name_index = int(code.co_code[index + 1])
+            if sys.version_info >= (3, 11):
+                name_index -= code.co_nlocals
             return code.co_cellvars[name_index]
         elif opc in ("LOAD_GLOBAL", "LOAD_NAME", "LOAD_ATTR", "LOAD_FAST", "LOAD_DEREF",
-                     "DUP_TOP", "BUILD_LIST"):
+                     "DUP_TOP", "BUILD_LIST", "CACHE", "COPY"):
             index += 2
         else:
             if default is _raise_exception: