Replace a couple asserts with static_asserts.

llvm-svn: 222114
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp
index ffb8759..e833fd3 100644
--- a/llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -1039,8 +1039,8 @@
 /// computeRegisterProperties - Once all of the register classes are added,
 /// this allows us to compute derived properties we expose.
 void TargetLoweringBase::computeRegisterProperties() {
-  assert(MVT::LAST_VALUETYPE <= MVT::MAX_ALLOWED_VALUETYPE &&
-         "Too many value types for ValueTypeActions to hold!");
+  static_assert(MVT::LAST_VALUETYPE <= MVT::MAX_ALLOWED_VALUETYPE,
+                "Too many value types for ValueTypeActions to hold!");
 
   // Everything defaults to needing one register.
   for (unsigned i = 0; i != MVT::LAST_VALUETYPE; ++i) {