[clang][Interp][NFC] Fix initializing union APValues

tbaederr · tbaederr · commit 498757e710f3 · 2024-06-19T18:31:25.000+02:00
The InitElem op assumes an array.
diff --git a/clang/lib/AST/Interp/ByteCodeExprGen.cpp b/clang/lib/AST/Interp/ByteCodeExprGen.cpp
@@ -3507,7 +3507,7 @@ bool ByteCodeExprGen<Emitter>::visitAPValueInitializer(const APValue &Val,
     PrimType T = classifyPrim(RF->Decl->getType());
     if (!this->visitAPValue(F, T, E))
       return false;
-    return this->emitInitElem(T, 0, E);
+    return this->emitInitField(T, RF->Offset, E);
   }
   // TODO: Other types.
 

Original file line number	Diff line number	Diff line change
`@@ -3507,7 +3507,7 @@ bool ByteCodeExprGen<Emitter>::visitAPValueInitializer(const APValue &Val,`
`3507`	`3507`	`PrimType T = classifyPrim(RF->Decl->getType());`
`3508`	`3508`	`if (!this->visitAPValue(F, T, E))`
`3509`	`3509`	`return false;`
`3510`		`- return this->emitInitElem(T, 0, E);`
	`3510`	`+ return this->emitInitField(T, RF->Offset, E);`
`3511`	`3511`	`}`
`3512`	`3512`	`// TODO: Other types.`
`3513`	`3513`