diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2017-12-07 18:06:08 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2017-12-07 18:06:08 +0100 |
| commit | 47f5f7e74920fe65f5ebe4737a9c70c34178990a (patch) | |
| tree | 52e7af29d835cac01723efb893f24b7b38586c00 /gcc | |
| parent | 5d9ae53d70c72991e26648d915e7fb8e00b8e811 (diff) | |
| download | gcc-47f5f7e74920fe65f5ebe4737a9c70c34178990a.zip gcc-47f5f7e74920fe65f5ebe4737a9c70c34178990a.tar.gz gcc-47f5f7e74920fe65f5ebe4737a9c70c34178990a.tar.bz2 | |
re PR middle-end/83164 (internal compiler error: verify_gimple failed)
PR middle-end/83164
* tree-cfg.c (verify_gimple_assign_binary): Don't require
types_compatible_p, just that TYPE_MODE is the same.
* gcc.c-torture/compile/pr83164.c: New test.
From-SVN: r255470
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/pr83164.c | 7 | ||||
| -rw-r--r-- | gcc/tree-cfg.c | 4 |
4 files changed, 21 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f81665f..966810f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-12-07 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/83164 + * tree-cfg.c (verify_gimple_assign_binary): Don't require + types_compatible_p, just that TYPE_MODE is the same. + 2017-12-07 Martin Sebor <msebor@redhat.com> PR c/81544 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4a4406a..199cc28 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-12-07 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/83164 + * gcc.c-torture/compile/pr83164.c: New test. + 2017-12-07 Martin Sebor <msebor@redhat.com> PR c/81544 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr83164.c b/gcc/testsuite/gcc.c-torture/compile/pr83164.c new file mode 100644 index 0000000..e153e3b --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr83164.c @@ -0,0 +1,7 @@ +/* PR middle-end/83164 */ + +__PTRDIFF_TYPE__ +foo (void) +{ + return (char *) foo - (char *) 0x1230; +} diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index e313df9..4d09b2c 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -4007,7 +4007,9 @@ verify_gimple_assign_binary (gassign *stmt) { if (!POINTER_TYPE_P (rhs1_type) || !POINTER_TYPE_P (rhs2_type) - || !types_compatible_p (rhs1_type, rhs2_type) + /* Because we special-case pointers to void we allow difference + of arbitrary pointers with the same mode. */ + || TYPE_MODE (rhs1_type) != TYPE_MODE (rhs2_type) || TREE_CODE (lhs_type) != INTEGER_TYPE || TYPE_UNSIGNED (lhs_type) || TYPE_PRECISION (lhs_type) != TYPE_PRECISION (rhs1_type)) |