diff options
| author | Marek Polacek <polacek@redhat.com> | 2017-08-07 09:13:02 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2017-08-07 09:13:02 +0000 |
| commit | 1653a8654977e0708b4669ed6637772cd47ac796 (patch) | |
| tree | c72da11b6870d2b9434b964c2d09e75e1b667b99 /gcc | |
| parent | 577eec5656925889d99c658de2a54ba8bd3ebf79 (diff) | |
| download | gcc-1653a8654977e0708b4669ed6637772cd47ac796.zip gcc-1653a8654977e0708b4669ed6637772cd47ac796.tar.gz gcc-1653a8654977e0708b4669ed6637772cd47ac796.tar.bz2 | |
re PR middle-end/81737 (164.gzip in SPEC CPU 2000 failed to build)
PR middle-end/81737
* fold-const.c (fold_indirect_ref_1): Check type_domain.
* gcc.dg/pr81737.c: New test.
From-SVN: r250912
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/fold-const.c | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr81737.c | 6 |
4 files changed, 20 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 880a3c8..8fbb8c4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2017-08-07 Marek Polacek <polacek@redhat.com> + + PR middle-end/81737 + * fold-const.c (fold_indirect_ref_1): Check type_domain. + 2017-08-07 Martin Liska <mliska@suse.cz> * attribs.h (canonicalize_attr_name): New function. diff --git a/gcc/fold-const.c b/gcc/fold-const.c index d563ba7..8eaea6c 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -14107,8 +14107,10 @@ fold_indirect_ref_1 (location_t loc, tree type, tree op0) && type == TREE_TYPE (op00type)) { tree type_domain = TYPE_DOMAIN (op00type); - tree min = TYPE_MIN_VALUE (type_domain); - if (min && TREE_CODE (min) == INTEGER_CST) + tree min; + if (type_domain != NULL_TREE + && (min = TYPE_MIN_VALUE (type_domain)) + && TREE_CODE (min) == INTEGER_CST) { offset_int off = wi::to_offset (op01); offset_int el_sz = wi::to_offset (TYPE_SIZE_UNIT (type)); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1e5f705..bf161a3 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-08-07 Marek Polacek <polacek@redhat.com> + + PR middle-end/81737 + * gcc.dg/pr81737.c: New test. + 2017-08-07 Martin Liska <mliska@suse.cz> * g++.dg/cpp0x/pr65558.C: Update scanned pattern. diff --git a/gcc/testsuite/gcc.dg/pr81737.c b/gcc/testsuite/gcc.dg/pr81737.c new file mode 100644 index 0000000..4933589 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr81737.c @@ -0,0 +1,6 @@ +/* PR middle-end/81737 */ +/* { dg-do compile } */ +/* { dg-options "" } */ + +extern int a[]; +void fn1() { (a + 0)[1]; } |