diff options
| author | Richard Biener <rguenther@suse.de> | 2015-03-24 09:31:48 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2015-03-24 09:31:48 +0000 |
| commit | bdb3744886f71ac1aab86a30bc25a8ca9c8119a2 (patch) | |
| tree | 3ec560b47477b38428c3227a38849cec3ac5efc9 /gcc | |
| parent | f9addac7825df87c80c95db7070f1ce60b6700a9 (diff) | |
| download | gcc-bdb3744886f71ac1aab86a30bc25a8ca9c8119a2.zip gcc-bdb3744886f71ac1aab86a30bc25a8ca9c8119a2.tar.gz gcc-bdb3744886f71ac1aab86a30bc25a8ca9c8119a2.tar.bz2 | |
re PR middle-end/65517 (ICE: in get_loop_body, at cfgloop.c:856)
2015-03-24 Richard Biener <rguenther@suse.de>
PR middle-end/65517
* tree-cfg.c (remove_edge_and_dominated_blocks): Mark loops
for fixup if necessary.
* gcc.dg/torture/pr65517.c: New testcase.
From-SVN: r221619
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr65517.c | 17 | ||||
| -rw-r--r-- | gcc/tree-cfg.c | 7 |
4 files changed, 35 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fd75d24..94643fe 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-03-24 Richard Biener <rguenther@suse.de> + + PR middle-end/65517 + * tree-cfg.c (remove_edge_and_dominated_blocks): Mark loops + for fixup if necessary. + 2015-03-23 Sandra Loosemore <sandra@codesourcery.com> * doc/extend.texi (Function Attributes): Add @cindex entries diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2deffd0..6e8f5b1 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-03-24 Richard Biener <rguenther@suse.de> + + PR middle-end/65517 + * gcc.dg/torture/pr65517.c: New testcase. + 2015-03-24 Tobias Burnus <burnus@net-b.de> * gfortran.dg/coindexed_1.f90: Moved from diff --git a/gcc/testsuite/gcc.dg/torture/pr65517.c b/gcc/testsuite/gcc.dg/torture/pr65517.c new file mode 100644 index 0000000..a63a03a --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr65517.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */
+
+typedef void (*argmatch_exit_fn)();
+int a;
+void __argmatch_die () { __builtin_exit (0); }
+
+int
+main ()
+{
+ while (1)
+ {
+ argmatch_exit_fn b = __argmatch_die;
+ if (a)
+ b ();
+ }
+ return 0;
+}
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 0f5e428..98d6ba4 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -7824,6 +7824,13 @@ remove_edge_and_dominated_blocks (edge e) basic_block bb, dbb; bitmap_iterator bi; + /* If we are removing a path inside a non-root loop that may change + loop ownership of blocks or remove loops. Mark loops for fixup. */ + if (current_loops + && loop_outer (e->src->loop_father) != NULL + && e->src->loop_father == e->dest->loop_father) + loops_state_set (LOOPS_NEED_FIXUP); + if (!dom_info_available_p (CDI_DOMINATORS)) { remove_edge (e); |