Module Name: src
Committed By: rillig
Date: Tue Jul 6 06:38:29 UTC 2021
Modified Files:
src/tests/usr.bin/xlint/lint1: gcc_attribute.c
Log Message:
tests/lint: document wrong handling of GCC __attribute__
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/tests/usr.bin/xlint/lint1/gcc_attribute.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/gcc_attribute.c
diff -u src/tests/usr.bin/xlint/lint1/gcc_attribute.c:1.5 src/tests/usr.bin/xlint/lint1/gcc_attribute.c:1.6
--- src/tests/usr.bin/xlint/lint1/gcc_attribute.c:1.5 Mon May 3 07:08:54 2021
+++ src/tests/usr.bin/xlint/lint1/gcc_attribute.c Tue Jul 6 06:38:29 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: gcc_attribute.c,v 1.5 2021/05/03 07:08:54 rillig Exp $ */
+/* $NetBSD: gcc_attribute.c,v 1.6 2021/07/06 06:38:29 rillig Exp $ */
# 3 "gcc_attribute.c"
/*
@@ -53,3 +53,21 @@ local_variable_pcs(void)
int pcs = 3;
return pcs;
}
+
+/*
+ * FIXME: The attributes are handled by different grammar rules even though
+ * they occur in the same syntactical position.
+ *
+ * Grammar rule abstract_decl_param_list handles the first attribute.
+ *
+ * Grammar rule direct_abstract_declarator handles all remaining attributes.
+ *
+ * Since abstract_decl_param_list contains type_attribute_opt, this could be
+ * the source of the many shift/reduce conflicts in the grammar.
+ */
+int
+func(
+ int(int)
+ __attribute__((__noreturn__))
+ __attribute__((__noreturn__))
+);