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From c0d3391a217001c01bae1fa84d8a2e5895398235 Mon Sep 17 00:00:00 2001
From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 10 May 2011 06:31:59 +0000
Subject: [PATCH] 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@173608 138bc75d-0d04-0410-961f-82ee72b054a4
index e61d621..99b02c2 100644
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 0d6158b..19c779c 100644
--- a/gcc/tree-eh.c
+++ b/gcc/tree-eh.c
@@ -3321,6 +3321,19 @@ 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;
+ }
}
}
--
1.7.0.4
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