diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs
index e9d13a4ebaf..4b324740a1f 100644
--- a/compiler/rustc_codegen_llvm/src/llvm_util.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@@ -527,8 +527,9 @@ pub(crate) fn should_use_new_llvm_pass_manager(user_opt: &Option<bool>, target_a
     // The new pass manager is enabled by default for LLVM >= 13.
     // This matches Clang, which also enables it since Clang 13.
 
-    // FIXME: There are some perf issues with the new pass manager
-    // when targeting s390x, so it is temporarily disabled for that
-    // arch, see https://github.com/rust-lang/rust/issues/89609
-    user_opt.unwrap_or_else(|| target_arch != "s390x" && llvm_util::get_version() >= (13, 0, 0))
+    // There are some perf issues with the new pass manager when targeting
+    // s390x with LLVM 13, so enable the new pass manager only with LLVM 14.
+    // See https://github.com/rust-lang/rust/issues/89609.
+    let min_version = if target_arch == "s390x" { 14 } else { 13 };
+    user_opt.unwrap_or_else(|| llvm_util::get_version() >= (min_version, 0, 0))
 }
diff --git a/src/llvm-project b/src/llvm-project
index e29ac13bc97..c8eccf626fb 160000
--- a/src/llvm-project
+++ b/src/llvm-project
@@ -1 +1 @@
-Subproject commit e29ac13bc97e26f886c3bfe72f9135e994c3cd0a
+Subproject commit c8eccf626fb5bb851b2ade93af8851ca1523807f
diff --git a/src/test/ui/issues/issue-23036.rs b/src/test/ui/issues/issue-23036.rs
index ac24648e49e..d67f184720e 100644
--- a/src/test/ui/issues/issue-23036.rs
+++ b/src/test/ui/issues/issue-23036.rs
@@ -1,5 +1,4 @@
 // run-pass
-// ignore-wasm32-bare FIXME(#93923) llvm miscompilation
 
 use std::collections::HashMap;
 use std::path::Path;