llvmorg-github-actions[bot] wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Timm Baeder (tbaederr)

<details>
<summary>Changes</summary>

Use the local `isReadable` check.

---
Full diff: https://github.com/llvm/llvm-project/pull/203172.diff


2 Files Affected:

- (modified) clang/lib/AST/ByteCode/InterpBuiltin.cpp (+1-1) 
- (modified) clang/test/AST/ByteCode/builtins.c (+4) 


``````````diff
diff --git a/clang/lib/AST/ByteCode/InterpBuiltin.cpp 
b/clang/lib/AST/ByteCode/InterpBuiltin.cpp
index 08fc8252d0708..4326142aba81f 100644
--- a/clang/lib/AST/ByteCode/InterpBuiltin.cpp
+++ b/clang/lib/AST/ByteCode/InterpBuiltin.cpp
@@ -984,7 +984,7 @@ static bool interp__builtin_carryop(InterpState &S, CodePtr 
OpPC,
   if (!popToAPSInt(S.Stk, LHST, LHS))
     return false;
 
-  if (CarryOutPtr.isDummy() || !CarryOutPtr.isBlockPointer())
+  if (!isReadable(CarryOutPtr))
     return false;
 
   APSInt CarryOut;
diff --git a/clang/test/AST/ByteCode/builtins.c 
b/clang/test/AST/ByteCode/builtins.c
index dc19d197d0a2e..8af1c5cc90616 100644
--- a/clang/test/AST/ByteCode/builtins.c
+++ b/clang/test/AST/ByteCode/builtins.c
@@ -37,3 +37,7 @@ const int compared = strcmp(_str, (const char *)_str2); // 
both-error {{initiali
 
 int ptrint = __builtin_bswap64("") == 0x1234 ? 1 : 0; // both-error 
{{incompatible pointer to integer conversion}} \
                                                       // both-error 
{{initializer element is not a compile-time constant}}
+
+void subclNonReadable() {
+  if(__builtin_subcl(0, 0, 0, &(*({ struct {} x; &x; }))) != 0) {} // 
both-error {{incompatible pointer types}}
+}

``````````

</details>


https://github.com/llvm/llvm-project/pull/203172
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