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-rw-r--r--Tools/cases_generator/stack.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/Tools/cases_generator/stack.py b/Tools/cases_generator/stack.py
index 62253ccb5e2..94a5d395064 100644
--- a/Tools/cases_generator/stack.py
+++ b/Tools/cases_generator/stack.py
@@ -378,6 +378,8 @@ class Stack:
if self_var.memory_offset is not None:
if self_var.memory_offset != other_var.memory_offset:
raise StackError(f"Mismatched stack depths for {self_var.name}: {self_var.memory_offset} and {other_var.memory_offset}")
+ elif other_var.memory_offset is None:
+ self_var.memory_offset = None
def stacks(inst: Instruction | PseudoInstruction) -> Iterator[StackEffect]:
@@ -601,6 +603,11 @@ class Storage:
if len(self.outputs) != len(other.outputs):
var = self.outputs[0] if len(self.outputs) > len(other.outputs) else other.outputs[0]
raise StackError(f"'{var.name}' is set on some paths, but not all")
+ for var, other_var in zip(self.outputs, other.outputs):
+ if var.memory_offset is None:
+ other_var.memory_offset = None
+ elif other_var.memory_offset is None:
+ var.memory_offset = None
self.stack.merge(other.stack, out)
self.sanity_check()