gcc/testsuite/gcc.target/i386/sibcall-3.c

/* { dg-do compile { target ia32 } } */
/* { dg-options "-O2" } */

extern 
#ifdef _WIN32
 __declspec (dllimport)
#endif
 void foo (int a);

void bar (int a)
{
  return foo (a);
}

/* { dg-final { scan-assembler-not "jmp\[ \t\]*.%eax" } } */