attempt to fix failing buildbots after 3bab88b7baa20b276faaee0aa7ca87f636c91877

Prevent IR-gen from emitting consteval declarations

Summary: with this patch instead of emitting calls to consteval function. the IR-gen will emit a store of the already computed result.
diff --git a/clang/lib/CodeGen/CGExprAgg.cpp b/clang/lib/CodeGen/CGExprAgg.cpp
index 74702dd..fb96d70 100644
--- a/clang/lib/CodeGen/CGExprAgg.cpp
+++ b/clang/lib/CodeGen/CGExprAgg.cpp
@@ -127,6 +127,11 @@
   }
 
   void VisitConstantExpr(ConstantExpr *E) {
+    if (llvm::Value *Result = ConstantEmitter(CGF).tryEmitConstantExpr(E)) {
+      CGF.EmitAggregateStore(Result, Dest.getAddress(),
+                             E->getType().isVolatileQualified());
+      return;
+    }
     return Visit(E->getSubExpr());
   }