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Always emit OP_JMPLFE as goto can be used inside a loop and frame has to be left.
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This commit is contained in:
Rafal Kupiec 2019-05-03 10:55:57 +02:00
parent 03fc167be1
commit e6b7f1be2c
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
1 changed files with 2 additions and 0 deletions
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engine/compiler.c
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@ -1523,6 +1523,8 @@ static sxi32 PH7_CompileGoto(ph7_gen_state *pGen)
} else {
sJump.pFunc = 0;
}
/* Make sure there will not stay any loop frame opened (i.e. goto inside a loop) */
PH7_VmEmitInstr(pGen->pVm, sJump.nLine, PH7_OP_JMPLFE, 0, 0, 0, 0);
/* Emit the unconditional jump */
if(SXRET_OK == PH7_VmEmitInstr(pGen->pVm, sJump.nLine, PH7_OP_JMP, 0, 0, 0, &sJump.nInstrIdx)) {
SySetPut(&pGen->aGoto, (const void *)&sJump);