[gn build] Port a3255f219a86

diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index e78adbe..2042d37 100644 (file)
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -368,6 +368,7 @@ if (current_toolchain == default_toolchain) {
       "__random/geometric_distribution.h",
       "__random/independent_bits_engine.h",
       "__random/is_seed_sequence.h",
+      "__random/is_valid.h",
       "__random/knuth_b.h",
       "__random/linear_congruential_engine.h",
       "__random/log2.h",