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re PR rtl-optimization/23299 ("classic" GCSE caused miscompilation)

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PR rtl-optimization/23299
	* g++.dg/opt/pr23299.C: New test.

From-SVN: r103148
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Jakub Jelinek 2005-08-16 10:38:15 +02:00 committed by Jakub Jelinek
parent f60c951c84
commit 7c83bbb109
2 changed files with 68 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2005-08-16 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/23299
* g++.dg/opt/pr23299.C: New test.
2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* gcc.dg/special/weak-1.c: xfail 32-bit hppa*-*-hpux*.

63
gcc/testsuite/g++.dg/opt/pr23299.C Normal file
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// PR rtl-optimization/23299
// { dg-do run }
// { dg-options "-Os" }
extern "C" void abort ();
struct A
{
virtual int a () {}
};
struct B : public A
{
virtual int b () {}
};
struct C : public A
{
virtual int c () {}
};
struct D
{
D () { d = 64; }
~D ();
int d;
};
int x;
D::~D ()
{
x |= 1;
if (d != 64)
abort ();
}
struct E : public B, public C
{
E () {}
virtual int c ();
~E ();
D dv;
};
E::~E ()
{
int r = c ();
}
int
E::c ()
{
if (x > 10)
throw 1;
x |= 2;
}
int
main (void)
{
{
E e;
}
if (x != 3)
abort ();
}