From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- gcc/testsuite/gcc.c-torture/execute/991014-1.c | 54 ++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 gcc/testsuite/gcc.c-torture/execute/991014-1.c (limited to 'gcc/testsuite/gcc.c-torture/execute/991014-1.c') diff --git a/gcc/testsuite/gcc.c-torture/execute/991014-1.c b/gcc/testsuite/gcc.c-torture/execute/991014-1.c new file mode 100644 index 000000000..e0bcd6d8b --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/991014-1.c @@ -0,0 +1,54 @@ + +typedef __SIZE_TYPE__ Size_t; + +#if __SIZEOF_LONG__ < __SIZEOF_POINTER__ +#define bufsize ((1LL << (8 * sizeof(Size_t) - 2))-256) +#else +#define bufsize ((1L << (8 * sizeof(Size_t) - 2))-256) +#endif + +struct huge_struct +{ + short buf[bufsize]; + int a; + int b; + int c; + int d; +}; + +union huge_union +{ + int a; + char buf[bufsize]; +}; + +Size_t union_size() +{ + return sizeof(union huge_union); +} + +Size_t struct_size() +{ + return sizeof(struct huge_struct); +} + +Size_t struct_a_offset() +{ + return (Size_t)(&((struct huge_struct *) 0)->a); +} + +int main() +{ + /* Check the exact sizeof value. bufsize is aligned on 256b. */ + if (union_size() != sizeof(char) * bufsize) + abort(); + + if (struct_size() != sizeof(short) * bufsize + 4*sizeof(int)) + abort(); + + if (struct_a_offset() < sizeof(short) * bufsize) + abort(); + + return 0; +} + -- cgit v1.2.3