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Miri terminator handling: only do progress sanity check for 'Call' terminator

This commit is contained in:
Ralf Jung 2020-04-04 15:53:47 +02:00
parent e6cef04457
commit a524a9af91
2 changed files with 5 additions and 5 deletions
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5
src/librustc_mir/interpret/step.rs
View File

@ -279,13 +279,8 @@ impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
self.tcx.span = terminator.source_info.span;
self.memory.tcx.span = terminator.source_info.span;
let old_stack = self.cur_frame();
let old_bb = self.frame().block;
self.eval_terminator(terminator)?;
if !self.stack.is_empty() {
// This should change *something*
assert!(self.cur_frame() != old_stack || self.frame().block != old_bb);
if let Some(block) = self.frame().block {
info!("// executing {:?}", block);
}

5
src/librustc_mir/interpret/terminator.rs
View File

@ -52,6 +52,8 @@ impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
}
Call { ref func, ref args, destination, ref cleanup, .. } => {
let old_stack = self.cur_frame();
let old_bb = self.frame().block;
let func = self.eval_operand(func, None)?;
let (fn_val, abi) = match func.layout.ty.kind {
ty::FnPtr(sig) => {
@ -72,6 +74,9 @@ impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
None => None,
};
self.eval_fn_call(fn_val, abi, &args[..], ret, *cleanup)?;
// Sanity-check that `eval_fn_call` either pushed a new frame or
// did a jump to another block.
assert!(self.cur_frame() != old_stack || self.frame().block != old_bb);
}
Drop { location, target, unwind } => {