1 // RUN: %clang_cc1 -triple avr-unknown-unknown -verify %s
2 
3 const unsigned char val = 0;
4 
foo()5 int foo() {
6   __asm__ volatile("foo %0, 1" : : "fo" (val)); // expected-error {{invalid input constraint 'fo' in asm}}
7   __asm__ volatile("foo %0, 1" : : "Nd" (val)); // expected-error {{invalid input constraint 'Nd' in asm}}
8 }
9