diff --git a/src/librustc/middle/trans/base.rs b/src/librustc/middle/trans/base.rs
index e519e53d6257..11782e7ba395 100644
--- a/src/librustc/middle/trans/base.rs
+++ b/src/librustc/middle/trans/base.rs
@@ -146,7 +146,7 @@ impl<'a> StatRecorder<'a> {
         } else {
             0
         };
-        let istart = ccx.stats.n_llvm_insns;
+        let istart = ccx.stats.n_llvm_insns.get();
         StatRecorder {
             ccx: ccx,
             name: name,
@@ -162,13 +162,13 @@ impl<'a> Drop for StatRecorder<'a> {
         if self.ccx.sess.trans_stats() {
             let end = time::precise_time_ns();
             let elapsed = ((end - self.start) / 1_000_000) as uint;
-            let iend = self.ccx.stats.n_llvm_insns;
+            let iend = self.ccx.stats.n_llvm_insns.get();
             self.ccx.stats.fn_stats.push((self.name.to_owned(),
                                           elapsed,
                                           iend - self.istart));
             self.ccx.stats.n_fns.set(self.ccx.stats.n_fns.get() + 1);
             // Reset LLVM insn count to avoid compound costs.
-            self.ccx.stats.n_llvm_insns = self.istart;
+            self.ccx.stats.n_llvm_insns.set(self.istart);
         }
     }
 }
diff --git a/src/librustc/middle/trans/builder.rs b/src/librustc/middle/trans/builder.rs
index d2677294945c..49a3ff1c7481 100644
--- a/src/librustc/middle/trans/builder.rs
+++ b/src/librustc/middle/trans/builder.rs
@@ -47,7 +47,10 @@ impl Builder {
 
     pub fn count_insn(&self, category: &str) {
         if self.ccx.sess.trans_stats() {
-            self.ccx.stats.n_llvm_insns += 1;
+            self.ccx.stats.n_llvm_insns.set(self.ccx
+                                                .stats
+                                                .n_llvm_insns
+                                                .get() + 1);
         }
         if self.ccx.sess.count_llvm_insns() {
             base::with_insn_ctxt(|v| {
diff --git a/src/librustc/middle/trans/common.rs b/src/librustc/middle/trans/common.rs
index cbd9ec37a0ca..7791d86dbf42 100644
--- a/src/librustc/middle/trans/common.rs
+++ b/src/librustc/middle/trans/common.rs
@@ -134,7 +134,7 @@ pub struct Stats {
     n_monos: Cell<uint>,
     n_inlines: Cell<uint>,
     n_closures: Cell<uint>,
-    n_llvm_insns: uint,
+    n_llvm_insns: Cell<uint>,
     llvm_insn_ctxt: ~[~str],
     llvm_insns: HashMap<~str, uint>,
     fn_stats: ~[(~str, uint, uint)] // (ident, time-in-ms, llvm-instructions)
diff --git a/src/librustc/middle/trans/context.rs b/src/librustc/middle/trans/context.rs
index 1367a6242d47..8558c0f3cd91 100644
--- a/src/librustc/middle/trans/context.rs
+++ b/src/librustc/middle/trans/context.rs
@@ -219,7 +219,7 @@ impl CrateContext {
                     n_monos: Cell::new(0u),
                     n_inlines: Cell::new(0u),
                     n_closures: Cell::new(0u),
-                    n_llvm_insns: 0u,
+                    n_llvm_insns: Cell::new(0u),
                     llvm_insn_ctxt: ~[],
                     llvm_insns: HashMap::new(),
                     fn_stats: ~[]