c: Set attributes for fields when forming a composite type [PR117806]

We need to call decl_attributes when creating the fields for a composite
type.

	PR c/117806

gcc/c/ChangeLog:
	* c-typeck.cc (composite_type_internal): Call decl_attributes.

gcc/testsuite/ChangeLog:
	* gcc.dg/pr117806.c: New test.

(cherry picked from commit 1539bcd19c5928d8359722c532dfcc7a26a16dda)

diff --git a/gcc/c/c-typeck.cc b/gcc/c/c-typeck.cc
index 24cc4faa55fae22ee40fcf026761470e56716b21..57d5ca586608929cd17aac9e44a60d7710299360 100644 (file)
--- a/gcc/c/c-typeck.cc
+++ b/gcc/c/c-typeck.cc
@@ -773,6 +773,8 @@ composite_type_internal (tree t1, tree t2, struct composite_cache* cache)
              DECL_ATTRIBUTES (f) = DECL_ATTRIBUTES (a);
              C_DECL_VARIABLE_SIZE (f) = C_TYPE_VARIABLE_SIZE (t);
 
+             decl_attributes (&f, DECL_ATTRIBUTES (f), 0);
+
              finish_decl (f, input_location, NULL, NULL, NULL);
 
              if (DECL_C_BIT_FIELD (a))

diff --git a/gcc/testsuite/gcc.dg/pr117806.c b/gcc/testsuite/gcc.dg/pr117806.c
new file mode 100644 (file)
index 0000000..bc2c8c6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr117806.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-std=c23" } */
+
+struct Test {
+  double D __attribute__((packed,aligned(4)));
+} x;
+struct Test {
+  double D __attribute__((packed,aligned(4)));
+} x;
+struct Test {
+  double D __attribute__((packed,aligned(4)));
+} x;
+