--- a/js/src/jit/CodeGenerator.cpp
+++ b/js/src/jit/CodeGenerator.cpp
@@ -7912,16 +7912,20 @@ CodeGenerator::generateAsmJS(AsmJSFuncti
 #if defined(JS_ION_PERF)
     // Note the end of the inline code and start of the OOL code.
     gen->perfSpewer().noteEndInlineCode(masm);
 #endif
 
     if (!generateOutOfLineCode())
         return false;
 
+    // Flush constant pools now so that pool hints encoded in the code stream
+    // get converted into actual instructions.
+    masm.flushBuffer();
+
     offsets->end = masm.currentOffset();
 
     MOZ_ASSERT(!masm.failureLabel()->used());
     MOZ_ASSERT(snapshots_.listSize() == 0);
     MOZ_ASSERT(snapshots_.RVATableSize() == 0);
     MOZ_ASSERT(recovers_.size() == 0);
     MOZ_ASSERT(bailouts_.empty());
     MOZ_ASSERT(graph.numConstants() == 0);