# REDEFINE: %{global:prefix} = @
# RUN: echo '%{global:prefix}(foo)'

#      CHECK: ValueError: Existing substitution whose pattern contains '%{global:prefix}' does not have the pattern specified by '{{REDEFINE}}:' directive at line [[#@LINE-3]]
# CHECK-NEXT: Expected pattern: %{global:prefix}
# CHECK-NEXT: Existing pattern: %{global:prefix}\((.*)\)
#  CHECK-NOT: Existing pattern:

# CHECK: Unresolved: 1 {{\([0-9]*.[0-9]*%\)}}