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bug! with a better error message for failing Instance::resolve

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This commit is contained in:
Michael Goulet 2022-12-11 19:46:58 +00:00
parent d137783642
commit bc293ed53e
4 changed files with 34 additions and 15 deletions
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7
compiler/rustc_codegen_cranelift/src/abi/mod.rs
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@ -349,10 +349,9 @@ pub(crate) fn codegen_terminator_call<'tcx>(
// Handle special calls like intrinsics and empty drop glue.
let instance = if let ty::FnDef(def_id, substs) = *fn_ty.kind() {
let instance = ty::Instance::resolve(fx.tcx, ty::ParamEnv::reveal_all(), def_id, substs)
.unwrap()
.unwrap()
.polymorphize(fx.tcx);
let instance =
ty::Instance::expect_resolve(fx.tcx, ty::ParamEnv::reveal_all(), def_id, substs)
.polymorphize(fx.tcx);
if fx.tcx.symbol_name(instance).name.starts_with("llvm.") {
crate::intrinsics::codegen_llvm_intrinsic_call(