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re PR tree-optimization/22171 (gcc-4.0-20050623 internal compiler error in linux/drivers/serial/8250.c)

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PR 22171
	* tree-ssa-operands.c (get_expr_operands): Check s_ann for NULL
	before use.

	PR 22171
	* gcc.dg/tree-ssa/pr22171.c: New test.

From-SVN: r101292
This commit is contained in:
Mark Mitchell 2005-06-24 13:27:25 +00:00 committed by Mark Mitchell
parent 305a132148
commit 68c1abf1e0
3 changed files with 39 additions and 0 deletions
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6
gcc/ChangeLog
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2005-06-24 Mark Mitchell <mark@codesourcery.com>
PR 22171
* tree-ssa-operands.c (get_expr_operands): Check s_ann for NULL
before use.
2005-06-23 Mark Mitchell <mark@codesourcery.com>
PR 22000

5
gcc/testsuite/ChangeLog
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2005-06-24 Mark Mitchell <mark@codesourcery.com>
PR 22171
* gcc.dg/tree-ssa/pr22171.c: New test.
2005-06-24 Feng Wang <fengwang@nudt.edu.cn>
* gfortran.dg/simplify_modulo.f90: New.

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gcc/testsuite/gcc.dg/tree-ssa/pr22171.c Normal file
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/* { dg-options "-O2" } */
static unsigned int old_serial_port_irq[10];
static struct uart_8250_port {
volatile unsigned int slock;
unsigned int irq;
} serial8250_ports[10];
static __inline__ __attribute__((always_inline)) int irq_canonicalize(int irq)
{
return ((irq == 2) ? 9 : irq);
}
void serial8250_isa_init_ports(void)
{
struct uart_8250_port *up;
int i;
for (i = 0, up = serial8250_ports; i < 10; i++, up++)
up->irq = irq_canonicalize(old_serial_port_irq[i]);
}
int main(void)
{
serial8250_isa_init_ports();
return 0;
}