mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-04-21 00:21:03 +08:00
Code Issues Packages Projects Releases Wiki Activity

re PR tree-optimization/42806 ("-fcompare-debug failure (length)" at -O1 in recent builds)

Browse Source 
2010-01-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42806
	* tree-eh.c (unsplit_eh): Skip debug insns.

	* g++.dg/other/pr42806.C: New testcase.

From-SVN: r156249
This commit is contained in:
Richard Guenther 2010-01-26 15:09:43 +00:00 committed by Richard Biener
parent c94a0b9db5
commit 3333cd50b8
4 changed files with 37 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2010-01-26 Richard Guenther <rguenther@suse.de>
PR middle-end/42806
* tree-eh.c (unsplit_eh): Skip debug insns.
2010-01-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/42250

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2010-01-26 Richard Guenther <rguenther@suse.de>
PR middle-end/42806
* g++.dg/other/pr42806.C: New testcase.
2010-01-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/42250

22
gcc/testsuite/g++.dg/other/pr42806.C Normal file
View File

@ -0,0 +1,22 @@
// { dg-do compile }
// { dg-options "-O -fcompare-debug" }
struct S1 {
~S1() { }
};
struct S2 {
S1 s1;
void m();
~S2() { m(); }
};
struct S3 {
S3(int, S2);
};
void foo()
{
S3(0, S2());
}

7
gcc/tree-eh.c
View File

@ -3350,8 +3350,11 @@ unsplit_eh (eh_landing_pad lp)
if ((e_in->flags & EDGE_EH) == 0 || (e_out->flags & EDGE_EH) != 0)
return false;
/* The block must be empty except for the labels. */
if (!gsi_end_p (gsi_after_labels (bb)))
/* The block must be empty except for the labels and debug insns. */
gsi = gsi_after_labels (bb);
if (!gsi_end_p (gsi) && is_gimple_debug (gsi_stmt (gsi)))
gsi_next_nondebug (&gsi);
if (!gsi_end_p (gsi))
return false;
/* The destination block must not already have a landing pad