[libc-commits] [libc] [libc] Fix size_t used without including stddef.h in CPP/limit.h. (PR #78861)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: None (lntue)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/78861.diff


1 Files Affected:

- (modified) libc/src/__support/CPP/limits.h (+1-1) 


``````````diff
diff --git a/libc/src/__support/CPP/limits.h b/libc/src/__support/CPP/limits.h
index e92ad00f80e037..d9e7090a0b7b19 100644
--- a/libc/src/__support/CPP/limits.h
+++ b/libc/src/__support/CPP/limits.h
@@ -20,7 +20,7 @@ namespace cpp {
 
 // Some older gcc distributions don't define these for 32 bit targets.
 #ifndef LLONG_MAX
-constexpr size_t LLONG_BIT_WIDTH = sizeof(long long) * 8;
+constexpr unsigned int LLONG_BIT_WIDTH = sizeof(long long) * 8;
 constexpr long long LLONG_MAX = ~0LL ^ (1LL << (LLONG_BIT_WIDTH - 1));
 constexpr long long LLONG_MIN = 1LL << (LLONG_BIT_WIDTH - 1);
 constexpr unsigned long long ULLONG_MAX = ~0ULL;

``````````

</details>


https://github.com/llvm/llvm-project/pull/78861