diff options
| author | Richard Guenther <rguenther@suse.de> | 2006-01-03 09:15:08 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2006-01-03 09:15:08 +0000 |
| commit | b2ecb7a8e6b40cf61fb4e3e8b162bf466471dd3c (patch) | |
| tree | 85c9f3bd2f60a948ea177e87aa0ec97fa2d69932 /gcc | |
| parent | 396b535a72eb44422b3b8f0f1c220b11ab34b24d (diff) | |
| download | gcc-b2ecb7a8e6b40cf61fb4e3e8b162bf466471dd3c.zip gcc-b2ecb7a8e6b40cf61fb4e3e8b162bf466471dd3c.tar.gz gcc-b2ecb7a8e6b40cf61fb4e3e8b162bf466471dd3c.tar.bz2 | |
re PR c/25183 (internal compiler error triggered by overflow in constant expression)
2006-01-03 Richard Guenther <rguenther@suse.de>
PR c/25183
* stmt.c (add_case_node): Make sure to clear overflow flags
from ranges.
* gcc.dg/torture/pr25183.c: New testcase.
From-SVN: r109272
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/stmt.c | 8 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr25183.c | 22 |
4 files changed, 38 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dd9feb5..0c5c29f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2006-01-03 Richard Guenther <rguenther@suse.de> + + PR c/25183 + * stmt.c (add_case_node): Make sure to clear overflow flags + from ranges. + 2006-01-03 Jakub Jelinek <jakub@redhat.com> Merge from gomp-branch. @@ -2104,10 +2104,12 @@ add_case_node (struct case_node *head, tree type, tree low, tree high, } - /* Add this label to the chain. */ + /* Add this label to the chain. Make sure to drop overflow flags. */ r = ggc_alloc (sizeof (struct case_node)); - r->low = low; - r->high = high; + r->low = build_int_cst_wide (TREE_TYPE (low), TREE_INT_CST_LOW (low), + TREE_INT_CST_HIGH (low)); + r->high = build_int_cst_wide (TREE_TYPE (high), TREE_INT_CST_LOW (high), + TREE_INT_CST_HIGH (high)); r->code_label = label; r->parent = r->left = NULL; r->right = head; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1acf301..4199859 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2006-01-03 Richard Guenther <rguenther@suse.de> + + PR c/25183 + * gcc.dg/torture/pr25183.c: New testcase. + 2006-01-03 Jakub Jelinek <jakub@redhat.com> Merge from gomp-branch. diff --git a/gcc/testsuite/gcc.dg/torture/pr25183.c b/gcc/testsuite/gcc.dg/torture/pr25183.c new file mode 100644 index 0000000..a6c624c --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr25183.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-pedantic" } */ + +enum err { + err_IO = 0x8a450000, /* { dg-warning "int" } */ + err_NM, + err_EOF, + err_SE, + err_PT +}; +static enum err E_; +int error() +{ + switch (E_) { + case err_IO : break; /* { dg-warning "overflow" } */ + case err_NM : break; /* { dg-warning "overflow" } */ + case err_EOF : break; /* { dg-warning "overflow" } */ + case err_SE : break; /* { dg-warning "overflow" } */ + case err_PT : break; /* { dg-warning "overflow" } */ + default : return 0; + } +} |