[gcc/devel/rust/master] backend: Don't fold convert_to expressions

[Thomas Schwinge <tschwinge@gcc.gnu.org>]

https://gcc.gnu.org/g:a6285cf21959e806066edd8984caddc23fea2fce

commit a6285cf21959e806066edd8984caddc23fea2fce
Author: Arthur Cohen <arthur.cohen@embecosm.com>
Date:   Thu Nov 17 13:41:31 2022 +0100

    backend: Don't fold convert_to expressions

Diff:
---
 gcc/rust/backend/rust-compile-expr.cc | 8 ++++----
 gcc/rust/rust-gcc.cc                  | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/gcc/rust/backend/rust-compile-expr.cc b/gcc/rust/backend/rust-compile-expr.cc
index e50df63821f..8df34c24497 100644
--- a/gcc/rust/backend/rust-compile-expr.cc
+++ b/gcc/rust/backend/rust-compile-expr.cc
@@ -2278,13 +2278,13 @@ CompileExpr::type_cast_expression (tree type_to_cast_to, tree expr_tree,
     }
   else if (TREE_CODE (type_to_cast_to) == INTEGER_TYPE)
     {
-      tree cast = fold (convert_to_integer (type_to_cast_to, expr_tree));
+      tree cast = convert_to_integer (type_to_cast_to, expr_tree);
       // FIXME check for TREE_OVERFLOW?
       return cast;
     }
   else if (TREE_CODE (type_to_cast_to) == REAL_TYPE)
     {
-      tree cast = fold (convert_to_real (type_to_cast_to, expr_tree));
+      tree cast = convert_to_real (type_to_cast_to, expr_tree);
       // FIXME
       // We might need to check that the tree is MAX val and thusly saturate it
       // to inf. we can get the bounds and check the value if its >= or <= to
@@ -2295,12 +2295,12 @@ CompileExpr::type_cast_expression (tree type_to_cast_to, tree expr_tree,
     }
   else if (TREE_CODE (type_to_cast_to) == COMPLEX_TYPE)
     {
-      return fold (convert_to_complex (type_to_cast_to, expr_tree));
+      return convert_to_complex (type_to_cast_to, expr_tree);
     }
   else if (TREE_CODE (type_to_cast_to) == POINTER_TYPE
 	   && TREE_CODE (TREE_TYPE (expr_tree)) == INTEGER_TYPE)
     {
-      return fold (convert_to_pointer (type_to_cast_to, expr_tree));
+      return convert_to_pointer (type_to_cast_to, expr_tree);
     }
   else if (TREE_CODE (type_to_cast_to) == RECORD_TYPE
 	   || TREE_CODE (type_to_cast_to) == ARRAY_TYPE)
diff --git a/gcc/rust/rust-gcc.cc b/gcc/rust/rust-gcc.cc
index e5dc6dacc76..5bb5313b1dc 100644
--- a/gcc/rust/rust-gcc.cc
+++ b/gcc/rust/rust-gcc.cc
@@ -1171,14 +1171,14 @@ Gcc_backend::convert_expression (tree type_tree, tree expr_tree,
       ret = expr_tree;
     }
   else if (TREE_CODE (type_tree) == INTEGER_TYPE)
-    ret = fold (convert_to_integer (type_tree, expr_tree));
+    ret = convert_to_integer (type_tree, expr_tree);
   else if (TREE_CODE (type_tree) == REAL_TYPE)
-    ret = fold (convert_to_real (type_tree, expr_tree));
+    ret = convert_to_real (type_tree, expr_tree);
   else if (TREE_CODE (type_tree) == COMPLEX_TYPE)
-    ret = fold (convert_to_complex (type_tree, expr_tree));
+    ret = convert_to_complex (type_tree, expr_tree);
   else if (TREE_CODE (type_tree) == POINTER_TYPE
 	   && TREE_CODE (TREE_TYPE (expr_tree)) == INTEGER_TYPE)
-    ret = fold (convert_to_pointer (type_tree, expr_tree));
+    ret = convert_to_pointer (type_tree, expr_tree);
   else if (TREE_CODE (type_tree) == RECORD_TYPE
 	   || TREE_CODE (type_tree) == ARRAY_TYPE)
     ret = fold_build1_loc (location.gcc_location (), VIEW_CONVERT_EXPR,