[llvm-bugs] [Bug 79684] clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp:697: possible performance problem ?

Sat, 27 Jan 2024 01:30:55 -0800

Issue 79684
Summary clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp:697: possible performance problem ?
Labels clang
Assignees
Reporter dcb314 
    Static analyser cppcheck says:

trunk/clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp:697:24: performance: Function parameter 'ArgTys' should be passed by const reference. [passedByValue]

Source code is

   Signature(ArgTypes ArgTys, RetType RetTy) {

but

  using ArgTypes = std::vector<std::optional<QualType>>;

So it looks to me like an entire vector is put onto the stack.


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