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| author | Tom de Vries <tom@codesourcery.com> | 2011-10-26 09:33:56 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2011-10-26 09:33:56 +0000 |
| commit | 6c137ca0a2c514c3d8003b4a38e9b0d1cb3237b2 (patch) | |
| tree | 9155004ae1dc166bcf6f7aa78fce03a25ef0ac49 | |
| parent | 9e1d5f491f78069261227aa55ce43879e427c51a (diff) | |
| download | gcc-6c137ca0a2c514c3d8003b4a38e9b0d1cb3237b2.zip gcc-6c137ca0a2c514c3d8003b4a38e9b0d1cb3237b2.tar.gz gcc-6c137ca0a2c514c3d8003b4a38e9b0d1cb3237b2.tar.bz2 | |
re PR tree-optimization/50763 (ICE: verify_gimple failed: missing PHI def with -ftree-tail-merge)
2011-10-26 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/50763
* gcc.dg/pr50763-2.c: New test.
From-SVN: r180519
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr50763-2.c | 46 |
2 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index dbe2481..2c9026e 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-10-26 Tom de Vries <tom@codesourcery.com> + + PR tree-optimization/50763 + * gcc.dg/pr50763-2.c: New test. + 2011-10-25 Joseph Myers <joseph@codesourcery.com> * gcc.dg/format/ms_c90-printf-1.c, gcc.dg/format/ms_c90-scanf-1.c: diff --git a/gcc/testsuite/gcc.dg/pr50763-2.c b/gcc/testsuite/gcc.dg/pr50763-2.c new file mode 100644 index 0000000..a9d12e8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr50763-2.c @@ -0,0 +1,46 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +typedef union tree_node *tree; + +struct tree_base +{ + int code; +}; + +struct tree_typed +{ + struct tree_base base; + tree type; +}; + +struct tree_common +{ + struct tree_typed typed; +}; + +struct tree_type_common +{ + tree main_variant; +}; + +union tree_node +{ + struct tree_base base; + struct tree_typed typed; + struct tree_type_common type_common; +}; + +int std_canonical_va_list_type (tree type) +{ + if (type->base.code) + type = type->typed.type; + else + if (type->typed.type->base.code) + type = type->typed.type; + + if (type->type_common.main_variant) + return 1; + + return 0; +} |