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re PR tree-optimization/31769 (ICE with OpenMP and exceptions)

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PR tree-optimization/31769
	* except.c (duplicate_eh_regions): Clear prev_try if
	ERT_MUST_NOT_THROW region is inside of ERT_TRY region.

	* g++.dg/gomp/pr31769.C: New test.

From-SVN: r125183
This commit is contained in:
Jakub Jelinek 2007-05-30 15:46:25 +02:00 committed by Jakub Jelinek
parent 9cc1244e76
commit 722ba5eeac
4 changed files with 77 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-05-30 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/31769
* except.c (duplicate_eh_regions): Clear prev_try if
ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
* tree-scalar-evolution.c (scev_const_prop): Do not create labels.

6
gcc/except.c
View File

@ -1005,7 +1005,11 @@ duplicate_eh_regions (struct function *ifun, duplicate_eh_regions_map map,
for (prev_try = VEC_index (eh_region, cfun->eh->region_array, outer_region);
prev_try && prev_try->type != ERT_TRY;
prev_try = prev_try->outer)
;
if (prev_try->type == ERT_MUST_NOT_THROW)
{
prev_try = NULL;
break;
}
/* Remap all of the internal catch and cleanup linkages. Since we
duplicate entire subtrees, all of the referenced regions will have

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2007-05-30 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/31769
* g++.dg/gomp/pr31769.C: New test.
2007-05-29 Hui-May Chang <hm.chang@apple.com>
* gcc.target/i386/stack-realign.c: New.

61
gcc/testsuite/g++.dg/gomp/pr31769.C Normal file
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@ -0,0 +1,61 @@
// PR tree-optimization/31769
// { dg-options "-O2 -fopenmp" }
// { dg-do compile }
struct B
{
B () {}
virtual ~B () {}
};
struct C
{
C (int x, int y) {}
};
template<typename T, int U>
struct D
{
D () {}
~D () {}
};
struct E
{
E () {}
~E () {}
D<int, 1> e;
};
struct A
{
B *b;
A () { b = __null; }
~A () { if (b != __null) delete b; }
};
struct F : public A
{
explicit F (int x) { foo (0); }
F (const F &x) {}
F (F &x, C y) {}
F operator () (C x) const
{
return F (const_cast<F &>(*this), x);
}
template <typename U> F & operator+= (const U &);
void foo (int);
E f;
};
int
main ()
{
try
{
F f (10);
F g (10);
C h (0, 9);
#pragma omp parallel for
for (int i = 0; i < 2; ++i)
g += f (h);
}
catch (int &e)
{
}
}