rapidjson: disable tests which fail to compile (NixOS#355633)

pkgs/by-name/ra/rapidjson/char_traits-clang-19-errors.diff

@@ -0,0 +1,22 @@
+diff --git a/test/unittest/writertest.cpp b/test/unittest/writertest.cpp
+index 4c24121..66c9087 100644
+--- a/test/unittest/writertest.cpp
++++ b/test/unittest/writertest.cpp
+@@ -386,6 +386,9 @@ TEST(Writer, InvalidEncoding) {
+         writer.EndArray();
+     }
+
++
++    // does not compile on clang-19
++#if 0
+     // Fail in encoding
+     {
+         StringBuffer buffer;
+@@ -401,6 +404,7 @@ TEST(Writer, InvalidEncoding) {
+         static const UTF32<>::Ch s[] = { 0x110000, 0 }; // Out of U+0000 to U+10FFFF
+         EXPECT_FALSE(writer.String(s));
+     }
++#endif
+ }
+
+ TEST(Writer, ValidateEncoding) {

pkgs/by-name/ra/rapidjson/package.nix

@@ -29,6 +29,10 @@ stdenv.mkDerivation (finalAttrs: {
     ./use-nixpkgs-gtest.patch
     # https://github.com/Tencent/rapidjson/issues/2214
     ./suppress-valgrind-failures.patch
+
+    # disable tests which don't build on clang-19
+    # https://github.com/Tencent/rapidjson/issues/2318
+    ./char_traits-clang-19-errors.diff
   ];
 
   postPatch = ''