1// RUN: %clang -### %s -fno-optimize-sibling-calls 2> %t
2// RUN: FileCheck --check-prefix=CHECK-NOSC < %t %s
3// CHECK-NOSC: "-mdisable-tail-calls"
4
5// RUN: %clang -### -foptimize-sibling-calls %s 2> %t
6// RUN: FileCheck --check-prefix=CHECK-OSC < %t %s
7// CHECK-OSC-NOT: "-mdisable-tail-calls"
8
9