[src/trunk]: src/tests/usr.bin/xlint/lint1 tests/lint: demonstrate bug in the...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/dfa76fefec55
branches:  trunk
changeset: 1021026:dfa76fefec55
user:      rillig <rillig%NetBSD.org@localhost>
date:      Mon May 03 06:24:18 2021 +0000

description:
tests/lint: demonstrate bug in the lexer for GCC attributes

diffstat:

 tests/usr.bin/xlint/lint1/gcc_attribute.c   |  15 ++++++++++++++-
 tests/usr.bin/xlint/lint1/gcc_attribute.exp |   1 +
 2 files changed, 15 insertions(+), 1 deletions(-)

diffs (32 lines):

diff -r 027eebbbb387 -r dfa76fefec55 tests/usr.bin/xlint/lint1/gcc_attribute.c
--- a/tests/usr.bin/xlint/lint1/gcc_attribute.c Mon May 03 05:24:44 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/gcc_attribute.c Mon May 03 06:24:18 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: gcc_attribute.c,v 1.3 2021/05/01 07:56:20 rillig Exp $ */
+/*     $NetBSD: gcc_attribute.c,v 1.4 2021/05/03 06:24:18 rillig Exp $ */
 # 3 "gcc_attribute.c"
 
 /*
@@ -38,3 +38,16 @@
 /* expect+1: syntax error 'unknown_attribute' */
 void __attribute__((unknown_attribute))
 function_with_unknown_attribute(void);
+
+/*
+ * There is an attribute called 'pcs', but that attribute must not prevent an
+ * ordinary variable from being named the same.
+ *
+ * Seen in yds.c, function yds_allocate_slots.
+ */
+void
+local_variable_pcs(void)
+{
+       int pcs = 3;            /* expect: syntax error 'pcs' *//*FIXME*/
+       return pcs;
+}
diff -r 027eebbbb387 -r dfa76fefec55 tests/usr.bin/xlint/lint1/gcc_attribute.exp
--- a/tests/usr.bin/xlint/lint1/gcc_attribute.exp       Mon May 03 05:24:44 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/gcc_attribute.exp       Mon May 03 06:24:18 2021 +0000
@@ -1,1 +1,2 @@
 gcc_attribute.c(39): error: syntax error 'unknown_attribute' [249]
+gcc_attribute.c(51): error: syntax error 'pcs' [249]