fixes #26189; compiler SIGSEGV with --exceptions:setjmp in try/except/finally (#26194)

fixes #26189

tests/exception/t26189.nim

@@ -0,0 +1,20 @@
+discard """
+  cmd: "nim c --exceptions:setjmp $file"
+  exitcode: 1
+  output: '''
+t26189.nim(20)           t26189
+t26189.nim(18)           trigger
+Error: unhandled exception: rollback failed [CatchableError]
+'''
+"""
+
+# Regression test for compiler recursion while generating a raise in finally.
+proc trigger() =
+  try:
+    discard
+  except Exception as exc:
+    raise exc
+  finally:
+    raise newException(CatchableError, "rollback failed")
+
+trigger()