; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu
; PR6196
%"char[]" = type [1 x i8]
@.str = external constant %"char[]", align 1 ; <ptr> [#uses=1]
define i32 @regex_subst() nounwind {
entry:
%0 = tail call i32 @.str(i32 0) nounwind ; <i32> [#uses=1]
ret i32 %0
}