// tmp.c

static inline int foo() {
  asm goto ("jmp %l0" : : : : lab);
  return 1;
lab:
  return 0;
}

int bar() {
    return foo();
}

//
$ gcc -O2 -c tmp.c
$ objdump -d tmp.o

tmp.o:     file format elf64-x86-64


Disassembly of section .text:

0000000000000000 <bar>:
   0:	eb 0e                	jmp    10 <bar+0x10>
   2:	b8 01 00 00 00       	mov    $0x1,%eax
   7:	c3                   	retq
   8:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
   f:	00
  10:	31 c0                	xor    %eax,%eax
  12:	c3                   	retq

$ clang -O2 -c -no-integrated-as tmp.c
$ objdump -d tmp.o

tmp.o:     file format elf64-x86-64


Disassembly of section .text:

0000000000000000 <bar>:
   0:	eb 0e                	jmp    10 <foo>
   2:	0f 1f 40 00          	nopl   0x0(%rax)
   6:	66 2e 0f 1f 84 00 00 	nopw   %cs:0x0(%rax,%rax,1)
   d:	00 00 00

0000000000000010 <foo>:
  10:	b8 01 00 00 00       	mov    $0x1,%eax
  15:	eb 02                	jmp    19 <foo+0x9>
  17:	eb 02                	jmp    1b <foo+0xb>
  19:	31 c0                	xor    %eax,%eax
  1b:	c3                   	retq