Integrate LLVM at llvm/llvm-project@4c973ae51b85

Updates LLVM usage to match [4c973ae51b85](llvm/llvm-project@4c973ae51b85) PiperOrigin-RevId: 362116801
google-research · Mar 10, 2021 · e1d6f46 · e1d6f46
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commit e1d6f46
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/LLVM_VERSION b/LLVM_VERSION
@@ -1 +1 @@
-df6d0579e18e868ef4b6e97794eacd5af86e1b8a
+4c973ae51b859dca9792e1ad87a6673c49815a8d