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| author | Martin Jambor <mjambor@suse.cz> | 2010-02-18 15:53:05 +0100 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2010-02-18 15:53:05 +0100 |
| commit | 746e119f8d8d24c3dd46944b4a6a7c54fdfe981c (patch) | |
| tree | d9ad3f39e67fc18b266869f8df4457cdffddc62d /gcc | |
| parent | 82cf0c8c008b9f8ab85a274d79ee73ea730caca0 (diff) | |
| download | gcc-746e119f8d8d24c3dd46944b4a6a7c54fdfe981c.zip gcc-746e119f8d8d24c3dd46944b4a6a7c54fdfe981c.tar.gz gcc-746e119f8d8d24c3dd46944b4a6a7c54fdfe981c.tar.bz2 | |
re PR tree-optimization/43066 (ICE: SIGFPE with empty struct and va_arg)
2010-02-18 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/43066
* tree-sra.c (build_ref_for_offset_1): Return false on encountering an
array with zero-sized element type.
* testsuite/gcc.c-torture/compile/pr43066.c: New test.
From-SVN: r156863
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr43066.c | 14 | ||||
| -rw-r--r-- | gcc/tree-sra.c | 2 |
4 files changed, 26 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bb696ae..fc1135d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-02-18 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/43066 + * tree-sra.c (build_ref_for_offset_1): Return false on encountering an + array with zero-sized element type. + 2010-02-18 Jakub Jelinek <jakub@redhat.com> * dwarf2out.c (add_var_loc_to_decl): Change last argument to diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 95f460c..9c82d35 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-02-18 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/43066 + * gcc.c-torture/compile/pr43066.c: New test. + 2010-02-18 Uros Bizjak <ubizjak@gmail.com> * g++.dg/ext/attrib35.C: Fix target selector string. diff --git a/gcc/testsuite/gcc.c-torture/compile/pr43066.c b/gcc/testsuite/gcc.c-torture/compile/pr43066.c new file mode 100644 index 0000000..2ded912 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr43066.c @@ -0,0 +1,14 @@ +struct S { + struct { } empty[1]; + int i; +}; + +int foo(int i, ...) +{ + struct S s; + __builtin_va_list va; + __builtin_va_start(va, i); + s = __builtin_va_arg(va, struct S); + __builtin_va_end(va); + return s.i; +} diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c index 12b365f..86620e0 100644 --- a/gcc/tree-sra.c +++ b/gcc/tree-sra.c @@ -1432,7 +1432,7 @@ build_ref_for_offset_1 (tree *res, tree type, HOST_WIDE_INT offset, el_size = tree_low_cst (tr_size, 1); minidx = TYPE_MIN_VALUE (TYPE_DOMAIN (type)); - if (TREE_CODE (minidx) != INTEGER_CST) + if (TREE_CODE (minidx) != INTEGER_CST || el_size == 0) return false; if (res) { |