llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-lldb

Author: Augusto Noronha (augusto2112)

<details>
<summary>Changes</summary>

The current implementation of
CPlusPlusLanguage::SymbolNameFitsToLanguage will return true if the symbol is 
mangled for any language that lldb knows about.



---
Full diff: https://github.com/llvm/llvm-project/pull/153685.diff


2 Files Affected:

- (modified) lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp 
(+2-1) 
- (modified) lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp (+13) 


``````````diff
diff --git a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp 
b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
index 3118ff151d1cf..e329cf231db82 100644
--- a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
+++ b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
@@ -105,7 +105,8 @@ CPlusPlusLanguage::GetFunctionNameInfo(ConstString name) 
const {
 
 bool CPlusPlusLanguage::SymbolNameFitsToLanguage(Mangled mangled) const {
   const char *mangled_name = mangled.GetMangledName().GetCString();
-  return mangled_name && Mangled::IsMangledName(mangled_name);
+  return mangled_name && Mangled::GetManglingScheme(mangled_name) ==
+                             Mangled::eManglingSchemeItanium;
 }
 
 ConstString CPlusPlusLanguage::GetDemangledFunctionNameWithoutArguments(
diff --git a/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp 
b/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp
index 6eeb4f54952b9..af01303cc4689 100644
--- a/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp
+++ b/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp
@@ -397,3 +397,16 @@ TEST(CPlusPlusLanguage, CPlusPlusNameParser) {
   // Don't crash.
   CPlusPlusNameParser((const char *)nullptr);
 }
+
+TEST(CPlusPlusLanguage, DoesNotMatchCxx) {
+  // Test that a symbol name that is NOT C++ does not match C++.
+
+  SubsystemRAII<CPlusPlusLanguage> lang;
+  Language *CPlusPlusLang =
+      Language::FindPlugin(lldb::eLanguageTypeC_plus_plus);
+
+  EXPECT_TRUE(CPlusPlusLang != nullptr);
+
+  Mangled swiftSymbol("$sS");
+  EXPECT_FALSE(CPlusPlusLang->SymbolNameFitsToLanguage(swiftSymbol));
+}

``````````

</details>


https://github.com/llvm/llvm-project/pull/153685
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