fix iter_instruction_matches

Author: RobinDavid

pyproject.toml

@@ -8,7 +8,7 @@ description = "Python wrapper to manipulate bindiff files"
 authors = [{ name = "Robin David", email = "[email protected]" }]
 license = { text = "Apache Software License (Apache License, Version 2)" }
 readme = { file = "README.md", content-type = "text/markdown" }
-version = '0.2.1'
+version = '0.2.2'
 requires-python = ">=3.9"
 dependencies = [
     "python-magic; os_name!='nt'",

src/bindiff/bindiff.py

@@ -242,8 +242,9 @@ def iter_instruction_matches(
         """
         insts = []
         for addr, instr in block1.instructions.items():
-            if addr2 := self.primary_instruction_match.get(addr):
-                insts.append((instr, block2.instructions[addr2]))
+            if inst_map := self.primary_instruction_match.get(addr):
+                if addr2 := inst_map.get(block1.function.addr):
+                    insts.append((instr, block2.instructions[addr2]))
         return insts
 
     def get_match(