150053627d
The option -falloc-token-max=0 is supposed to be usable to override previous settings back to the target default max tokens (SIZE_MAX). This did not work for the builtin: ``` | executed command: clang -cc1 [..] -nostdsysteminc -triple x86_64-linux-gnu -std=c++23 -fsyntax-only -verify clang/test/SemaCXX/alloc-token.cpp -falloc-token-max=0 | clang: llvm/lib/Support/AllocToken.cpp:38: std::optional<uint64_t> llvm::getAllocToken(AllocTokenMode, const AllocTokenMetadata &, uint64_t): Assertion `MaxTokens && "Must provide non-zero max tokens"' failed. ``` Fix it by also picking the default if "0" is passed. Improve the documentation to be clearer what the value of "0" means.
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