diff options
| author | rillig <rillig@NetBSD.org> | 2023-07-02 22:50:18 +0000 |
|---|---|---|
| committer | rillig <rillig@NetBSD.org> | 2023-07-02 22:50:18 +0000 |
| commit | cc260beb2b3cec7f5f8db9b32568539c61e48760 (patch) | |
| tree | 1fad5251fab5909cc9ec2a5a35e72012c3264650 /tests | |
| parent | cc20041b8573aab3af35cb868804d4ec4c6fb722 (diff) | |
tests/lint: demonstrate empty statement in GCC statement expression
Seen in external/mit/xorg/lib/dri.old.
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/usr.bin/xlint/lint1/d_gcc_compound_statements1.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/tests/usr.bin/xlint/lint1/d_gcc_compound_statements1.c b/tests/usr.bin/xlint/lint1/d_gcc_compound_statements1.c index 451f8446da3..1e17d133272 100644 --- a/tests/usr.bin/xlint/lint1/d_gcc_compound_statements1.c +++ b/tests/usr.bin/xlint/lint1/d_gcc_compound_statements1.c @@ -1,4 +1,4 @@ -/* $NetBSD: d_gcc_compound_statements1.c,v 1.12 2023/03/28 14:44:34 rillig Exp $ */ +/* $NetBSD: d_gcc_compound_statements1.c,v 1.13 2023/07/02 22:50:18 rillig Exp $ */ # 3 "d_gcc_compound_statements1.c" /* GCC compound statement with expression */ @@ -65,3 +65,19 @@ crash(void) ; }); } + +/* + * Before 2023-07-03, lint did not accept empty statements in GCC statement + * expressions. These empty statements can be generated by a disabled 'assert' + * macro. + */ +unsigned int +empty_statement(void) +{ + return ({ + unsigned int mega = 1 << 20; + /* expect+1: error: syntax error ';' [249] */ + ; + mega; + }); +} |
