diff options
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/mir/constant.rs')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/mir/constant.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_ssa/src/mir/constant.rs b/compiler/rustc_codegen_ssa/src/mir/constant.rs index fde4e85f9..558f64fff 100644 --- a/compiler/rustc_codegen_ssa/src/mir/constant.rs +++ b/compiler/rustc_codegen_ssa/src/mir/constant.rs @@ -21,6 +21,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } pub fn eval_mir_constant(&self, constant: &mir::ConstOperand<'tcx>) -> mir::ConstValue<'tcx> { + // `MirUsedCollector` visited all constants before codegen began, so if we got here there + // can be no more constants that fail to evaluate. self.monomorphize(constant.const_) .eval(self.cx.tcx(), ty::ParamEnv::reveal_all(), Some(constant.span)) .expect("erroneous constant not captured by required_consts") |