efriedma-quic wrote: ast-dump for your example:
``` | | `-CallExpr 0xcc44978 <col:25, col:59> 'unsigned long' | | |-ImplicitCastExpr 0xcc44960 <col:25> 'unsigned long (*)(const void *, int)' <BuiltinFnToFnPtr> | | | `-DeclRefExpr 0xcc448b8 <col:25> '<builtin fn type>' Function 0xcc446b0 '__builtin_dynamic_object_size' 'unsigned long (const void *, int)' | | |-ImplicitCastExpr 0xcc449c0 <col:55> 'const void *' <BitCast> | | | `-ImplicitCastExpr 0xcc449a8 <col:55> 'struct variable *' <LValueToRValue> | | | `-DeclRefExpr 0xcc448d8 <col:55> 'struct variable *' lvalue Var 0xcc41278 'v' 'struct variable *' | | `-IntegerLiteral 0xcc448f8 <col:58> 'int' 0 ``` I guess CodeGenFunction::emitFlexibleArrayMemberSize calls IgnoreParenImpCasts() which throws away the lvalue-to-rvalue. https://github.com/llvm/llvm-project/pull/110497 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
