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annotate gcc/testsuite/gcc.dg/pr45819.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2 -fdump-tree-optimized -w" } */
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3
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4 struct ehci_regs {
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5 char x;
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6 unsigned int port_status[0];
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7 } __attribute__ ((packed));
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8
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9 struct ehci_hcd {
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10 struct ehci_regs *regs;
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11 };
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12
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13 int ehci_hub_control (struct ehci_hcd *ehci, int wIndex)
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14 {
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15 unsigned int *status_reg = &ehci->regs->port_status[wIndex];
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16 return *(volatile unsigned int *)status_reg;
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17 }
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18
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19 /* { dg-final { scan-tree-dump "={v}" "optimized" } } */