; RUN: opt < %s -S -non-global-value-max-name-size=5
; RUN: not opt < %s -S -non-global-value-max-name-size=4 2>&1 | FileCheck %s
; CHECK: name is too long
define void @f() {
bb0:
br label %testz
testz:
br label %testa
testa:
br label %testz
}