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make read_immediate error immediately on uninit, so ImmTy can carry initialized Scalar

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Ralf Jung
2022-08-01 19:05:20 -04:00
parent 2e52fe01cf
commit 30fa931f92
51 changed files with 491 additions and 747 deletions
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4
compiler/rustc_const_eval/src/const_eval/machine.rs
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@@ -347,8 +347,8 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir,
};
match intrinsic_name {
sym::ptr_guaranteed_eq | sym::ptr_guaranteed_ne => {
let a = ecx.read_immediate(&args[0])?.to_scalar()?;
let b = ecx.read_immediate(&args[1])?.to_scalar()?;
let a = ecx.read_scalar(&args[0])?;
let b = ecx.read_scalar(&args[1])?;
let cmp = if intrinsic_name == sym::ptr_guaranteed_eq {
ecx.guaranteed_eq(a, b)?
} else {