[flang-commits] [openmp] [llvm] [mlir] [lldb] [clang] [compiler-rt] [lld] [libc] [libcxx] [flang] [clang-tools-extra] [libc++][format] P2637R3: Member `visit` (`std::basic_format_arg`) (PR #76449)

[Mark de Wever via flang-commits]

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@@ -1513,6 +1519,11 @@ __sanitizer_verify_double_ended_contiguous_container(const void*, const void*, c
 #    define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
 #  endif
 
+// Clang-18 has support for deducing this, but it does not set the FTM.
+#if defined(__cpp_explicit_this_parameter) || (defined(_LIBCPP_CLANG_VER ) &&_LIBCPP_CLANG_VER >= 1800)
+#  define _LIBCPP_HAS_EXPLICIT_THIS_PARAMETER
+#endif
+
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mordante wrote:

Please make sure merging this patch does not duplicate this entry.

https://github.com/llvm/llvm-project/pull/76449