From 8630f50feeb78d4a69eaeabf520b734a67bfe32b Mon Sep 17 00:00:00 2001 From: Eric Botcazou Date: Sun, 16 Jan 2022 14:09:20 +0100 Subject: [PATCH] [Ada] Preserve unchecked conversion of string constant This makes it possible to pass the result to a C function directly. gcc/ada/ * gcc-interface/utils.cc (unchecked_convert): Do not fold a string constant if the target type is pointer to character. --- gcc/ada/gcc-interface/utils.cc | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/gcc/ada/gcc-interface/utils.cc b/gcc/ada/gcc-interface/utils.cc index 5722ed2..98bcb70 100644 --- a/gcc/ada/gcc-interface/utils.cc +++ b/gcc/ada/gcc-interface/utils.cc @@ -5637,6 +5637,13 @@ unchecked_convert (tree type, tree expr, bool notrunc_p) return unchecked_convert (type, expr, notrunc_p); } + /* If we are converting a string constant to a pointer to character, make + sure that the string is not folded into an integer constant. */ + else if (TREE_CODE (expr) == STRING_CST + && POINTER_TYPE_P (type) + && TYPE_STRING_FLAG (TREE_TYPE (type))) + expr = build1 (VIEW_CONVERT_EXPR, type, expr); + /* Otherwise, just build a VIEW_CONVERT_EXPR of the expression. */ else { -- 2.7.4