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| author | Jakub Jelinek <jakub@redhat.com> | 2008-12-09 17:55:35 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2008-12-09 17:55:35 +0100 |
| commit | bab4e8fbed8e7d10eb9c99635d513b3ee4197db0 (patch) | |
| tree | e1fc6db592f653e87c5ae59795210387846d1c3f /gcc/testsuite | |
| parent | b3b30b2401e192a42d4a75728dd198223573dd81 (diff) | |
| download | gcc-bab4e8fbed8e7d10eb9c99635d513b3ee4197db0.zip gcc-bab4e8fbed8e7d10eb9c99635d513b3ee4197db0.tar.gz gcc-bab4e8fbed8e7d10eb9c99635d513b3ee4197db0.tar.bz2 | |
re PR tree-optimization/35468 (LHS of assignment can be folded to a constant causing ICE)
PR tree-optimization/35468
* tree-ssa-ccp.c (fold_stmt_r): Don't fold reads from constant
string on LHS.
* gcc.dg/pr35468.c: New test.
* gcc.c-torture/compile/pr35468.c: New test.
From-SVN: r142598
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr35468.c | 7 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr35468.c | 10 |
3 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 07c5eb0..7cb6b4f 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2008-12-09 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/35468 + * gcc.dg/pr35468.c: New test. + * gcc.c-torture/compile/pr35468.c: New test. + 2008-12-08 Jason Merrill <jason@redhat.com> PR c++/38410 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr35468.c b/gcc/testsuite/gcc.c-torture/compile/pr35468.c new file mode 100644 index 0000000..16d064b --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr35468.c @@ -0,0 +1,7 @@ +/* PR tree-optimization/35468 */ + +void +foo (void) +{ + *(char *) "c" = 'x'; +} diff --git a/gcc/testsuite/gcc.dg/pr35468.c b/gcc/testsuite/gcc.dg/pr35468.c new file mode 100644 index 0000000..085c073 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr35468.c @@ -0,0 +1,10 @@ +/* PR tree-optimization/35468 */ +/* { dg-do compile }*/ +/* { dg-options "-O2 -fno-tree-dce" } */ + +char *const f(void) +{ + char *const line = "/dev/ptyXX"; + line[8] = 1; + return line; +} |