[clang] [analyzer] Accept C library functions from the `std` namespace (PR #84469)
Kristóf Umann via cfe-commits
cfe-commits at lists.llvm.org
Fri Mar 8 04:33:42 PST 2024
================
@@ -87,9 +87,11 @@ bool CheckerContext::isCLibraryFunction(const FunctionDecl *FD,
if (!II)
return false;
- // Look through 'extern "C"' and anything similar invented in the future.
- // If this function is not in TU directly, it is not a C library function.
- if (!FD->getDeclContext()->getRedeclContext()->isTranslationUnit())
+ // C library functions are either declared directly within a TU (the common
+ // case) or they are accessed through the namespace `std` (when they are used
+ // in C++ via headers like <cstdlib>).
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Szelethus wrote:
Same here.
https://github.com/llvm/llvm-project/pull/84469
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