[all-commits] [llvm/llvm-project] 01ce3e: [clang][sema] Add nonnull attribute to builtin for...

[Radovan Božić via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 01ce3e296b7bb5cca3f9aee5e9b3517312c58736
      https://github.com/llvm/llvm-project/commit/01ce3e296b7bb5cca3f9aee5e9b3517312c58736
  Author: Radovan Božić <radovan.bozic at htecgroup.com>
  Date:   2025-12-05 (Fri, 05 Dec 2025)

  Changed paths:
    M clang/include/clang/Basic/Builtins.h
    M clang/include/clang/Basic/Builtins.td
    M clang/include/clang/Basic/BuiltinsBase.td
    M clang/lib/Basic/Builtins.cpp
    M clang/lib/Sema/SemaDecl.cpp
    A clang/test/Sema/format-strings-nonnull.c
    A clang/test/Sema/format-strings-nonnull.cpp
    M clang/test/Sema/format-strings.c
    M clang/test/Sema/warn-fortify-scanf.c
    M clang/test/SemaCXX/format-strings-0x.cpp
    M clang/test/SemaObjC/format-strings-objc.m

  Log Message:
  -----------
  [clang][sema] Add nonnull attribute to builtin format functions (#160988)

Annotate printf/scanf and related builtins with the nonnull attribute on
their format string parameters. This enables diagnostics when NULL is
passed, matching GCC behavior. Updated existing Sema tests and added new
ones for coverage. Closes issue #33923



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