diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 74ecf5f..f8ab8a6 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -9673,7 +9673,8 @@
     return DiagnoseImpCast(
         S, E, T, CContext,
         IsLiteral ? diag::warn_impcast_literal_float_to_integer_out_of_range
-                  : diag::warn_impcast_float_to_integer_out_of_range);
+                  : diag::warn_impcast_float_to_integer_out_of_range,
+        PruneWarnings);
 
   unsigned DiagID = 0;
   if (IsLiteral) {