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| author | Richard Guenther <rguenther@suse.de> | 2008-02-04 21:18:32 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-02-04 21:18:32 +0000 |
| commit | 22199fd25dc76dd3c05d935b07761501911dad37 (patch) | |
| tree | 1c4ad7aecc9a52bcd5edd2acbe583dacca7ff081 /gcc | |
| parent | 70c7fe74f4fb27161188ed61c23925fc566584c6 (diff) | |
| download | gcc-22199fd25dc76dd3c05d935b07761501911dad37.zip gcc-22199fd25dc76dd3c05d935b07761501911dad37.tar.gz gcc-22199fd25dc76dd3c05d935b07761501911dad37.tar.bz2 | |
re PR middle-end/33631 (auto structure not initialized correctly)
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.
From-SVN: r132096
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 1665f9e..4f81c24 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. @@ -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 1be9baf..d1b8a5d 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 0000000..840fd0d --- /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; +} |