[clang-tools-extra] [clang] [clangd] Prevent printing huge initializer lists in hover definitions (PR #79746)

[Raoul Wols via cfe-commits]

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@@ -1720,6 +1720,12 @@ void StmtPrinter::VisitInitListExpr(InitListExpr* Node) {
   OS << "{";
   for (unsigned i = 0, e = Node->getNumInits(); i != e; ++i) {
     if (i) OS << ", ";
+    // TODO: There is duplicated functionality in APValue::printPretty.
+    // Would be good to consolidate the two.
+    if (!Policy.EntireContentsOfLargeArray && i == 10) {
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rwols wrote:

I was also kind of unsure about the usage of `EntirecontentsOfLargeArray` here. 
I feel like StmtPrinter should always output valid C++ code  but that's not 
possible using `EntireContentsOfLargeArray`.

https://github.com/llvm/llvm-project/pull/79746
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