llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Shafik Yaghmour (shafik)

<details>
<summary>Changes</summary>

When implmenting P2280R4 here: https://github.com/llvm/llvm-project/pull/95474

When creating the APValue to store and constexprUnknown value I used an offset 
of CharUnits::One() but it should have been CharUnits::Zero().

This change just adjusts that value.

---
Full diff: https://github.com/llvm/llvm-project/pull/124478.diff


1 Files Affected:

- (modified) clang/lib/AST/ExprConstant.cpp (+1-1) 


``````````diff
diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 3b5ab839c6cf79..be8f1fe02e7212 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -1961,7 +1961,7 @@ APValue &
 CallStackFrame::createConstexprUnknownAPValues(const VarDecl *Key,
                                                APValue::LValueBase Base) {
   APValue &Result = ConstexprUnknownAPValues[MapKeyTy(Key, Base.getVersion())];
-  Result = APValue(Base, CharUnits::One(), APValue::ConstexprUnknown{});
+  Result = APValue(Base, CharUnits::Zero(), APValue::ConstexprUnknown{});
 
   return Result;
 }

``````````

</details>


https://github.com/llvm/llvm-project/pull/124478
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