diff --git a/js/src/jit/shared/CodeGenerator-shared.cpp b/js/src/jit/shared/CodeGenerator-shared.cpp
index c2b1ffdbf599..d03b4bc5bbea 100644
--- a/js/src/jit/shared/CodeGenerator-shared.cpp
+++ b/js/src/jit/shared/CodeGenerator-shared.cpp
@@ -206,6 +206,10 @@ void CodeGeneratorShared::addOutOfLineCode(OutOfLineCode* code,
 }
 
 bool CodeGeneratorShared::addNativeToBytecodeEntry(const BytecodeSite* site) {
+  MOZ_ASSERT(site);
+  MOZ_ASSERT(site->tree());
+  MOZ_ASSERT(site->pc());
+
   // Skip the table entirely if profiling is not enabled.
   if (!isProfilerInstrumentationEnabled()) {
     return true;
@@ -217,10 +221,6 @@ bool CodeGeneratorShared::addNativeToBytecodeEntry(const BytecodeSite* site) {
     return false;
   }
 
-  MOZ_ASSERT(site);
-  MOZ_ASSERT(site->tree());
-  MOZ_ASSERT(site->pc());
-
   InlineScriptTree* tree = site->tree();
   jsbytecode* pc = site->pc();
   uint32_t nativeOffset = masm.currentOffset();