Module Name: src
Committed By: rillig
Date: Fri Jun 30 22:27:47 UTC 2023
Modified Files:
src/tests/usr.bin/xlint/lint1: init_braces.c
Log Message:
tests/lint: test initializing an unnamed union
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/tests/usr.bin/xlint/lint1/init_braces.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/usr.bin/xlint/lint1/init_braces.c
diff -u src/tests/usr.bin/xlint/lint1/init_braces.c:1.5 src/tests/usr.bin/xlint/lint1/init_braces.c:1.6
--- src/tests/usr.bin/xlint/lint1/init_braces.c:1.5 Fri Jun 30 21:06:18 2023
+++ src/tests/usr.bin/xlint/lint1/init_braces.c Fri Jun 30 22:27:47 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: init_braces.c,v 1.5 2023/06/30 21:06:18 rillig Exp $ */
+/* $NetBSD: init_braces.c,v 1.6 2023/06/30 22:27:47 rillig Exp $ */
# 3 "init_braces.c"
/*
@@ -96,3 +96,38 @@ init_anonymous_struct_and_union(void)
return var.times.t0.ns;
}
+
+// Minimized example taken from jemalloc.c, init_lock.
+unsigned char
+init_unnamed_union(void)
+{
+ struct init_unnamed_union {
+ union {
+ struct {
+ struct padded_union {
+ unsigned char pad1[3];
+ union {
+ unsigned char u1;
+ unsigned char u2;
+ };
+ unsigned char pad2[3];
+ } padded_union;
+ };
+ };
+ };
+
+ struct init_unnamed_union var = {
+ {
+ {
+ .padded_union = {
+ .pad1 = { 0, 0, 0 },
+/* FIXME: Allow access to unnamed struct/union members. */
+/* expect+1: error: type 'struct padded_union' does not have member 'u1' [101] */
+ .u1 = 0,
+ .pad2 = { 0, 0, 0 },
+ },
+ }
+ },
+ };
+ return var.padded_union.u1;
+}
