Rollup merge of #93400 - ChayimFriedman2:dont-suggest-using-const-with-bounds-unused...

[rust.git] / compiler / rustc_const_eval / src / interpret / operand.rs

diff --git a/compiler/rustc_const_eval/src/interpret/operand.rs b/compiler/rustc_const_eval/src/interpret/operand.rs
index 91578e9fd49f66e5caa0c16ecb9b334e942a5494..9b317e8e0abfb3b4a100e6e69b122638ca901221 100644 (file)
--- a/compiler/rustc_const_eval/src/interpret/operand.rs
+++ b/compiler/rustc_const_eval/src/interpret/operand.rs
@@ -720,12 +720,11 @@ pub fn read_discriminant(
                     Err(dbg_val) => {
                         // So this is a pointer then, and casting to an int failed.
                         // Can only happen during CTFE.
-                        let ptr = self.scalar_to_ptr(tag_val);
                         // The niche must be just 0, and the ptr not null, then we know this is
                         // okay. Everything else, we conservatively reject.
                         let ptr_valid = niche_start == 0
                             && variants_start == variants_end
-                            && !self.memory.ptr_may_be_null(ptr);
+                            && !self.scalar_may_be_null(tag_val);
                         if !ptr_valid {
                             throw_ub!(InvalidTag(dbg_val))
                         }