From 3ea23a45d97a38fdd893ad2738e3bb2dddaf10ff Mon Sep 17 00:00:00 2001 From: Anders Carlsson Date: Sat, 16 Feb 2008 01:20:23 +0000 Subject: Make sizeof and __alignof work correctly with packed structs. llvm-svn: 47202 --- clang/test/Sema/struct-packed-align.c | 37 +++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 clang/test/Sema/struct-packed-align.c (limited to 'clang/test/Sema/struct-packed-align.c') diff --git a/clang/test/Sema/struct-packed-align.c b/clang/test/Sema/struct-packed-align.c new file mode 100644 index 00000000000..23885a54614 --- /dev/null +++ b/clang/test/Sema/struct-packed-align.c @@ -0,0 +1,37 @@ +// RUN: clang %s -fsyntax-only -verify + +struct s { + char a; + int b __attribute__((packed)); + char c; + int d; +}; + +struct __attribute__((packed)) packed_s { + char a; + int b __attribute__((packed)); + char c; + int d; +}; + +struct fas { + char a; + int b[]; +}; + +struct __attribute__((packed)) packed_fas { + char a; + int b[]; +}; + +extern int a1[sizeof(struct s) == 12 ? 1 : -1]; +extern int a2[__alignof(struct s) == 4 ? 1 : -1]; + +extern int b1[sizeof(struct packed_s) == 10 ? 1 : -1]; +extern int b2[__alignof(struct packed_s) == 1 ? 1 : -1]; + +extern int c1[sizeof(struct fas) == 4 ? 1 : -1]; +extern int c2[__alignof(struct fas) == 4 ? 1 : -1]; + +extern int d1[sizeof(struct packed_fas) == 1 ? 1 : -1]; +extern int d2[__alignof(struct packed_fas) == 1 ? 1 : -1]; -- cgit v1.2.3