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re PR middle-end/63184 (Fails to simplify comparison)

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2018-12-05  Richard Biener  <rguenther@suse.de>

	PR middle-end/63184
	* c-c++-common/pr19807-2.c: New testcase.
	* c-c++-common/pr19807-3.c: Likewise.

From-SVN: r266827
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Richard Biener 2018-12-05 14:55:59 +00:00 committed by Richard Biener
parent c0c5112bcd
commit 1eb68b8c35
3 changed files with 30 additions and 0 deletions
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6
gcc/testsuite/ChangeLog
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2018-12-05 Richard Biener <rguenther@suse.de>
PR middle-end/63184
* c-c++-common/pr19807-2.c: New testcase.
* c-c++-common/pr19807-3.c: Likewise.
2018-12-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR testsuite/88208

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gcc/testsuite/c-c++-common/pr19807-2.c Normal file
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/* { dg-do link } */
/* { dg-options "-O" } */
extern void link_error(void);
int i;
int main()
{
int a[4];
if ((char*)&a[1] + 4*i + 4 != (char*)&a[i+2])
link_error();
return 0;
}

12
gcc/testsuite/c-c++-common/pr19807-3.c Normal file
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/* { dg-do link } */
/* { dg-options "-O" } */
extern void link_error(void);
int i;
int main()
{
int a[4];
if (&a[1] + i + 1 != &a[i+2])
link_error();
return 0;
}