================
@@ -1175,13 +1175,15 @@ static void InitializePredefinedMacros(const TargetInfo
&TI,
Builder.defineMacro("__UINTMAX_C_SUFFIX__", ConstSuffix);
Builder.defineMacro("__UINTMAX_C(c)",
ConstSuffix.size() ? Twine("c##") + ConstSuffix : "c");
- DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(LangAS::Default), Builder);
- DefineFmt(LangOpts, "__PTRDIFF", TI.getPtrDiffType(LangAS::Default), TI,
- Builder);
DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Builder);
DefineFmt(LangOpts, "__INTPTR", TI.getIntPtrType(), TI, Builder);
- DefineType("__SIZE_TYPE__", TI.getSizeType(), Builder);
+ // Use deduction to obtain the built-in __size_t and __ptrdiff_t types
instead
+ // of standard integer types
+ Builder.defineMacro("__SIZE_TYPE__", "__typeof(sizeof(0))");
----------------
erichkeane wrote:
I don't have a good hold on whether this is a good idea or not. We should
probably have an RFC for this.
https://github.com/llvm/llvm-project/pull/155979
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