diff options
| author | Richard Guenther <rguenther@suse.de> | 2008-02-04 21:18:32 +0000 |
|---|---|---|
| committer | Richard Guenther <rguenther@suse.de> | 2008-02-04 21:18:32 +0000 |
| commit | 7c4113f9e001d8bcfb596dd200e1a42456caa0a4 (patch) | |
| tree | 1c4ad7aecc9a52bcd5edd2acbe583dacca7ff081 /gcc | |
| parent | 54d9b64511e2bd488dd4af44b902a1093db36599 (diff) | |
2008-02-04 Richard Guenther <rguenther@suse.de>
PR middle-end/33631
* expr.c (count_type_elements): Give for unions instead of
guessing.
* gcc.c-torture/execute/pr33631.c: New testcase.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@132096 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/expr.c | 9 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr33631.c | 14 |
4 files changed, 26 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1665f9e1afa..4f81c248b22 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2008-02-04 Richard Guenther <rguenther@suse.de> + PR middle-end/33631 + * expr.c (count_type_elements): Give for unions instead of + guessing. + +2008-02-04 Richard Guenther <rguenther@suse.de> + PR middle-end/35043 * gimplify.c (gimplify_init_ctor_eval): Convert array indices to TYPE_DOMAINs base type instead of using bitsizetype here. diff --git a/gcc/expr.c b/gcc/expr.c index 53cb3eb9d2c..ade0396f817 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -4975,14 +4975,7 @@ count_type_elements (const_tree type, bool allow_flexarr) case UNION_TYPE: case QUAL_UNION_TYPE: - { - /* Ho hum. How in the world do we guess here? Clearly it isn't - right to count the fields. Guess based on the number of words. */ - HOST_WIDE_INT n = int_size_in_bytes (type); - if (n < 0) - return -1; - return n / UNITS_PER_WORD; - } + return -1; case COMPLEX_TYPE: return 2; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1be9baf30c6..d1b8a5d0ee8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2008-02-04 Richard Guenther <rguenther@suse.de> + PR middle-end/33631 + * gcc.c-torture/execute/pr33631.c: New testcase. + +2008-02-04 Richard Guenther <rguenther@suse.de> + PR middle-end/35043 * gcc.c-torture/compile/pr35043.c: New testcase. diff --git a/gcc/testsuite/gcc.c-torture/execute/pr33631.c b/gcc/testsuite/gcc.c-torture/execute/pr33631.c new file mode 100644 index 00000000000..840fd0dc482 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr33631.c @@ -0,0 +1,14 @@ +typedef union +{ + int __lock; +} pthread_mutex_t; + +extern void abort (void); + +int main() +{ + struct { int c; pthread_mutex_t m; } r = { .m = 0 }; + if (r.c != 0) + abort (); + return 0; +} |