Auto merge of #127197 - matthiaskrgr:rollup-aqpvn5q, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #126923 (test: dont optimize to invalid bitcasts)
 - #127090 (Reduce merge conflicts from rustfmt's wrapping)
 - #127105 (Only update `Eq` operands in GVN if it can update both sides)
 - #127150 (Fix x86_64 code being produced for bare-metal LoongArch targets' `compiler_builtins`)
 - #127181 (Introduce a `rustc_` attribute to dump all the `DefId` parents of a `DefId`)
 - #127182 (Fix error in documentation for IpAddr::to_canonical and Ipv6Addr::to_canonical)
 - #127191 (Ensure `out_of_scope_macro_calls` lint is registered)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 5 insertions, 5 deletions

diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs
index 936a7e2d9de..3dbdeb615cf 100644
--- a/compiler/rustc_mir_transform/src/gvn.rs
+++ b/compiler/rustc_mir_transform/src/gvn.rs
@@ -1074,11 +1074,11 @@ impl<'body, 'tcx> VnState<'body, 'tcx> {
         {
             lhs = *lhs_value;
             rhs = *rhs_value;
-            if let Some(op) = self.try_as_operand(lhs, location) {
-                *lhs_operand = op;
-            }
-            if let Some(op) = self.try_as_operand(rhs, location) {
-                *rhs_operand = op;
+            if let Some(lhs_op) = self.try_as_operand(lhs, location)
+                && let Some(rhs_op) = self.try_as_operand(rhs, location)
+            {
+                *lhs_operand = lhs_op;
+                *rhs_operand = rhs_op;
             }
         }