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authorJakub Jelinek <jakub@redhat.com>2011-05-10 08:08:18 +0200
committerJakub Jelinek <jakub@gcc.gnu.org>2011-05-10 08:08:18 +0200
commit6ae70ea2e6f12a97415896b4721bf4df536e3b09 (patch)
treeeeaa46393953dd5b9765c18fe9332858b16a475a /gcc
parente7f7802150169bf0ec2b8a3ad309c53f87280927 (diff)
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re PR tree-optimization/48611 (ICE: SIGSEGV in remap_eh_region_nr (tree-inline.c:1194) with -Os -fopenmp -fexceptions -fno-tree-ccp -fno-tree-copy-prop on basic code)
PR tree-optimization/48611 PR tree-optimization/48794 * tree-eh.c (remove_unreachable_handlers): Don't remove regions referenced from RESX or EH_DISPATCH arguments. * gfortran.dg/gomp/pr48611.f90: New test. * gfortran.dg/gomp/pr48794.f90: New test. From-SVN: r173607
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/gomp/pr48611.f9012
-rw-r--r--gcc/testsuite/gfortran.dg/gomp/pr48794.f9012
-rw-r--r--gcc/tree-eh.c13
5 files changed, 47 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0c0efe4..b98c123 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
2011-05-10 Jakub Jelinek <jakub@redhat.com>
+ PR tree-optimization/48611
+ PR tree-optimization/48794
+ * tree-eh.c (remove_unreachable_handlers): Don't remove regions
+ referenced from RESX or EH_DISPATCH arguments.
+
PR debug/48928
* dfp.c (decimal_to_decnumber): Handle conversion from
dconst{1,2,m1,half}.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index eb2f073..c63b45e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2011-05-10 Jakub Jelinek <jakub@redhat.com>
+ PR tree-optimization/48611
+ PR tree-optimization/48794
+ * gfortran.dg/gomp/pr48611.f90: New test.
+ * gfortran.dg/gomp/pr48794.f90: New test.
+
PR debug/48928
* gcc.dg/dfp/pr48928.c: New test.
diff --git a/gcc/testsuite/gfortran.dg/gomp/pr48611.f90 b/gcc/testsuite/gfortran.dg/gomp/pr48611.f90
new file mode 100644
index 0000000..643cc5c
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/gomp/pr48611.f90
@@ -0,0 +1,12 @@
+! PR tree-optimization/48611
+! { dg-do compile }
+! { dg-options "-Os -fopenmp -fexceptions -fno-tree-ccp -fno-tree-copy-prop" }
+
+ integer, allocatable :: a(:)
+ logical :: l
+!$omp parallel private (a) reduction (.or.:l)
+ do i = 1, 7
+ a(:) = i
+ end do
+!$omp end parallel
+end
diff --git a/gcc/testsuite/gfortran.dg/gomp/pr48794.f90 b/gcc/testsuite/gfortran.dg/gomp/pr48794.f90
new file mode 100644
index 0000000..11edb0b
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/gomp/pr48794.f90
@@ -0,0 +1,12 @@
+! PR tree-optimization/48794
+! { dg-do compile }
+! { dg-options "-Os -fopenmp -fexceptions -fno-tree-ccp -fno-tree-copy-prop" }
+
+ integer, allocatable :: a(:)
+ logical :: l
+ if (allocated (a)) call abort
+!$omp parallel private (a) reduction (.or.:l)
+ do i = 1, 7
+ end do
+!$omp end parallel
+end
diff --git a/gcc/tree-eh.c b/gcc/tree-eh.c
index cd6c428..e87c32e 100644
--- a/gcc/tree-eh.c
+++ b/gcc/tree-eh.c
@@ -3316,6 +3316,19 @@ remove_unreachable_handlers (void)
SET_BIT (r_reachable, region->index);
SET_BIT (lp_reachable, lp_nr);
}
+
+ /* Avoid removing regions referenced from RESX/EH_DISPATCH. */
+ switch (gimple_code (stmt))
+ {
+ case GIMPLE_RESX:
+ SET_BIT (r_reachable, gimple_resx_region (stmt));
+ break;
+ case GIMPLE_EH_DISPATCH:
+ SET_BIT (r_reachable, gimple_eh_dispatch_region (stmt));
+ break;
+ default:
+ break;
+ }
}
}