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-rw-r--r--gcc/ada/gcc-interface/utils.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/gcc/ada/gcc-interface/utils.c b/gcc/ada/gcc-interface/utils.c
index 66c5408..3a546ff 100644
--- a/gcc/ada/gcc-interface/utils.c
+++ b/gcc/ada/gcc-interface/utils.c
@@ -2430,8 +2430,9 @@ create_var_decl (tree name, tree asm_name, tree type, tree init,
and may be used for scalars in general but not for aggregates. */
tree var_decl
= build_decl (input_location,
- (constant_p && const_decl_allowed_p
- && !AGGREGATE_TYPE_P (type)) ? CONST_DECL : VAR_DECL,
+ (constant_p
+ && const_decl_allowed_p
+ && !AGGREGATE_TYPE_P (type) ? CONST_DECL : VAR_DECL),
name, type);
/* Detect constants created by the front-end to hold 'reference to function
@@ -2456,9 +2457,20 @@ create_var_decl (tree name, tree asm_name, tree type, tree init,
constant initialization and save any variable elaborations for the
elaboration routine. If we are just annotating types, throw away the
initialization if it isn't a constant. */
- if ((extern_flag && !constant_p)
+ if ((extern_flag && init && !constant_p)
|| (type_annotate_only && init && !TREE_CONSTANT (init)))
- init = NULL_TREE;
+ {
+ init = NULL_TREE;
+
+ /* In LTO mode, also clear TREE_READONLY the same way add_decl_expr
+ would do it if the initializer was not thrown away here, as the
+ WPA phase requires a consistent view across compilation units. */
+ if (const_flag && flag_generate_lto)
+ {
+ const_flag = false;
+ DECL_READONLY_ONCE_ELAB (var_decl) = 1;
+ }
+ }
/* At the global level, a non-constant initializer generates elaboration
statements. Check that such statements are allowed, that is to say,