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re PR debug/41232 (VTA: SSA name in freelist but still referenced)

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gcc/ChangeLog:
PR debug/41232
* tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
in the middle block.
gcc/testsuite/ChangeLog:
PR debug/41232
* gcc.dg/pr41232.c: New.

From-SVN: r151519
This commit is contained in:
Alexandre Oliva 2009-09-08 17:39:42 +00:00 • committed by Alexandre Oliva
parent a3d3711969
commit 21719cea11
4 changed files with 26 additions and 1 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2009-09-08 Alexandre Oliva <aoliva@redhat.com>
PR debug/41232
* tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
in the middle block.
2009-09-08 Kai Tietz <kai.tietz@onevision.com>
* tree-ssa-reassoc.c (find_operand_rank): Cast pointer

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2009-09-08 Alexandre Oliva <aoliva@redhat.com>
PR debug/41232
* gcc.dg/pr41232.c: New.
2009-09-08 Joseph Myers <joseph@codesourcery.com>
* gcc.misc-tests/i386-prefetch.exp: Skip tests when multilib flags

14
gcc/testsuite/gcc.dg/pr41232.c Normal file
View file

@ -0,0 +1,14 @@
/* { dg-do compile } */
/* { dg-options "-O1 -g" } */
extern int atoi (const char *);
extern int sprintf (char *, const char *, ...);
void malloc_init() {
char *cptr;
char buf[1];
int tmbd = atoi(cptr);
if (tmbd > 0)
tmbd = (tmbd <= 124) ? tmbd : 124;
else
tmbd = 0;
sprintf(buf, "%d\n", tmbd);
}

2
gcc/tree-ssa-phiopt.c
View file

@ -857,7 +857,7 @@ minmax_replacement (basic_block cond_bb, basic_block middle_bb,
/* Move the statement from the middle block. */
gsi = gsi_last_bb (cond_bb);
gsi_from = gsi_last_bb (middle_bb);
gsi_from = gsi_last_nondebug_bb (middle_bb);
gsi_move_before (&gsi_from, &gsi);
}