[libc-commits] [libc] [libc] Add `-Wsign-conversion` & un-reverts `-Wconversion` (PR #129811)

[Vinay Deshmukh via libc-commits]

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@@ -297,7 +297,7 @@ LIBC_INLINE void adjust(ptrdiff_t offset, T1 *__restrict &p1,
                         T2 *__restrict &p2, size_t &count) {
   p1 += offset;
   p2 += offset;
-  count -= offset;
+  count -= static_cast<size_t>(offset);
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vinay-deshmukh wrote:

`adjust(ptrdiff_t, ...)` has to stay due to: https://github.com/llvm/llvm-project/pull/127523#discussion_r1982078210

https://github.com/llvm/llvm-project/pull/129811