llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-lldb

Author: Dave Lee (kastiglione)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/187795.diff


2 Files Affected:

- (modified) lldb/source/DataFormatters/TypeSynthetic.cpp (+3-1) 
- (modified) 
lldb/test/API/functionalities/data-formatter/bytecode-synthetic/main.cpp 
(+11-11) 


``````````diff
diff --git a/lldb/source/DataFormatters/TypeSynthetic.cpp 
b/lldb/source/DataFormatters/TypeSynthetic.cpp
index 1fc748fea85e0..e2962f8f4d1a1 100644
--- a/lldb/source/DataFormatters/TypeSynthetic.cpp
+++ b/lldb/source/DataFormatters/TypeSynthetic.cpp
@@ -278,8 +278,10 @@ BytecodeSyntheticChildren::FrontEnd::FrontEnd(
 }
 
 lldb::ChildCacheState BytecodeSyntheticChildren::FrontEnd::Update() {
-  if (!m_impl.update)
+  if (!m_impl.update) {
+    m_self = m_init_results;
     return ChildCacheState::eReuse;
+  }
 
   FormatterBytecode::ControlStack control = {m_impl.update->getBuffer()};
   FormatterBytecode::DataStack data = m_init_results;
diff --git 
a/lldb/test/API/functionalities/data-formatter/bytecode-synthetic/main.cpp 
b/lldb/test/API/functionalities/data-formatter/bytecode-synthetic/main.cpp
index 3e6ae77bbca83..d4ffa58363009 100644
--- a/lldb/test/API/functionalities/data-formatter/bytecode-synthetic/main.cpp
+++ b/lldb/test/API/functionalities/data-formatter/bytecode-synthetic/main.cpp
@@ -15,14 +15,14 @@ int main(int argc, char **argv) {
 
 __attribute__((used, section("__DATA_CONST,__lldbformatters"))) unsigned char
     _Account_synthetic[] =
-        "\x01"                      // version
-        "\x15"                      // remaining record size
-        "\x07"                      // type name size
-        "Account"                   // type name
-        "\x00"                      // flags
-        "\x02"                      // sig_get_num_children
-        "\x02"                      // program size
-        "\x20\x01"                  // `return 1`
-        "\x04"                      // sig_get_child_at_index
-        "\x06"                      // program size
-        "\x02\x20\x00\x23\x11\x60"; // `return self.valobj.GetChildAtIndex(0)`
+        "\x01"          // version
+        "\x12"          // remaining record size
+        "\x07"          // type name size
+        "Account"       // type name
+        "\x00"          // flags
+        "\x02"          // sig_get_num_children
+        "\x02"          // program size
+        "\x20\x01"      // `return 1`
+        "\x04"          // sig_get_child_at_index
+        "\x03"          // program size
+        "\x23\x11\x60"; // `return self.valobj.GetChildAtIndex(idx)`

``````````

</details>


https://github.com/llvm/llvm-project/pull/187795
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