[clang] 2f808dd - [clang][bytecode] Compile most recent function decl (#131730)

[via cfe-commits]

Author: Timm Baeder
Date: 2025-03-18T07:29:38+01:00
New Revision: 2f808dd0702ba3c364eb4373714a1fb09078909d

URL: https://github.com/llvm/llvm-project/commit/2f808dd0702ba3c364eb4373714a1fb09078909d
DIFF: https://github.com/llvm/llvm-project/commit/2f808dd0702ba3c364eb4373714a1fb09078909d.diff

LOG: [clang][bytecode] Compile most recent function decl (#131730)

We used to always do this because all calls went through the code path
that calls getMostRecentDecl(). Do it now, too.

Added: 
    

Modified: 
    clang/lib/AST/ByteCode/Interp.cpp
    clang/test/AST/ByteCode/records.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/AST/ByteCode/Interp.cpp b/clang/lib/AST/ByteCode/Interp.cpp
index 9b30a3d418ee3..b4ea825ce472c 100644
--- a/clang/lib/AST/ByteCode/Interp.cpp
+++ b/clang/lib/AST/ByteCode/Interp.cpp
@@ -1364,7 +1364,8 @@ static bool checkDestructor(InterpState &S, CodePtr OpPC, const Function *Func,
 
 static void compileFunction(InterpState &S, const Function *Func) {
   Compiler<ByteCodeEmitter>(S.getContext(), S.P)
-      .compileFunc(Func->getDecl(), const_cast<Function *>(Func));
+      .compileFunc(Func->getDecl()->getMostRecentDecl(),
+                   const_cast<Function *>(Func));
 }
 
 bool CallVar(InterpState &S, CodePtr OpPC, const Function *Func,

diff  --git a/clang/test/AST/ByteCode/records.cpp b/clang/test/AST/ByteCode/records.cpp
index 42b6d82d7190b..5d9f1044f206b 100644
--- a/clang/test/AST/ByteCode/records.cpp
+++ b/clang/test/AST/ByteCode/records.cpp
@@ -1759,3 +1759,15 @@ namespace IncompleteTypes {
   }
   static_assert(foo(), "");
 }
+
+namespace RedeclaredCtor {
+
+  struct __sp_mut {
+    void *__lx_;
+    constexpr __sp_mut(void *) noexcept;
+  };
+  int mut_back[1];
+
+  constexpr __sp_mut::__sp_mut(void *p) noexcept : __lx_(p) {}
+  constexpr __sp_mut muts = &mut_back[0];
+}