Auto merge of #126345 - compiler-errors:rollup-lue8u92, r=compiler-errors

Rollup of 8 pull requests

Successful merges:

 - #125869 (Add `target_env = "p1"` to the `wasm32-wasip1` target)
 - #126019 (Add TODO comment to unsafe env modification)
 - #126036 (Migrate `run-make/short-ice` to `rmake`)
 - #126276 (Detect pub structs never constructed even though they impl pub trait with assoc constants)
 - #126282 (Ensure self-contained linker is only enabled on dev/nightly )
 - #126317 (Avoid a bunch of booleans in favor of Result<(), ErrorGuaranteed> as that more robustly proves that an error has been emitted)
 - #126324 (Adjust LoongArch64 data layouts for LLVM update)
 - #126340 (Fix outdated predacates_of.rs comments)

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

1 files changed, 8 insertions, 0 deletions

diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
index 53a098d178e..7d92888feee 100644
--- a/compiler/rustc_codegen_llvm/src/context.rs
+++ b/compiler/rustc_codegen_llvm/src/context.rs
@@ -142,6 +142,14 @@ pub unsafe fn create_module<'ll>(
         }
     }
 
+    if llvm_version < (19, 0, 0) {
+        if sess.target.arch == "loongarch64" {
+            // LLVM 19 updates the LoongArch64 data layout.
+            // See https://github.com/llvm/llvm-project/pull/93814
+            target_data_layout = target_data_layout.replace("-n32:64", "-n64");
+        }
+    }
+
     // Ensure the data-layout values hardcoded remain the defaults.
     {
         let tm = crate::back::write::create_informational_target_machine(tcx.sess);