[clang] [Tooling/Inclusion] Update std symbols mapping (PR #113612)

[kadir çetinkaya via cfe-commits]

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@@ -115,15 +115,17 @@ static int initialize(Lang Language) {
       NSLen = 0;
     }
 
-    if (SymIndex >= 0 &&
-        Mapping->SymbolNames[SymIndex].qualifiedName() == QName) {
-      // Not a new symbol, use the same index.
+    if (SymIndex > 0) {
       assert(llvm::none_of(llvm::ArrayRef(Mapping->SymbolNames, SymIndex),
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kadircet wrote:

this assertion is making sure we're inserting all the headers for a symbol consecutively. this is important for correctness as we want to know all the headers providing a symbol not a random set.

we should fix the mappings files instead to not split `any_cast` (and other symbols).

https://github.com/llvm/llvm-project/pull/113612