[clangd] Fix dumb && || bug from r318774

llvm-svn: 318778

diff --git a/clang-tools-extra/clangd/JSONExpr.cpp b/clang-tools-extra/clangd/JSONExpr.cpp
index 071fdbf..f28dcff 100644 (file)
--- a/clang-tools-extra/clangd/JSONExpr.cpp
+++ b/clang-tools-extra/clangd/JSONExpr.cpp
@@ -344,7 +344,7 @@ bool Parser::parseUnicode(std::string &Out) {
     uint16_t Second;
     if (!Parse4Hex(Second))
       return false;
-    if (Second < 0xDC00 && Second >= 0xE000) {
+    if (Second < 0xDC00 || Second >= 0xE000) {
       Invalid();      // Leading surrogate not followed by trailing.
       First = Second; // Second escape still needs to be processed.
       continue;