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#include <avr/io.h> // Produces LPM operations __attribute__((noinline)) void bar() { UDR='X'; } void (*foo)() = bar; int main() { bar(); foo(); asm volatile ("break"); } /* check-name: Function Pointers check-start: \avr@instr@stepn{1000000} \avr@test@UDR{XX} check-end: */