Attachment 147957 Details for Bug 226706 – Patch that fixes the bug

[patch] Patch that fixes the bug

gcc32-bz226706.patch (text/plain), 1.36 KB, created by Alexandre Oliva on 2007-02-13 05:35:48 UTC

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Creator: Alexandre Oliva

Created: 2007-02-13 05:35:48 UTC

Size: 1.36 KB

patch

obsolete

>for gcc/ChangeLog
>from  Alexandre Oliva  <aoliva@redhat.com>
>
>	* reload1.c (fixup_abnormal_edges): Backport relevant portion of
>	fix for PR rtl-optimization/23601.
>
>for gcc/testsuite/ChangeLog
>from  Alexandre Oliva  <aoliva@redhat.com>
>
>	* g++.dg/eh/bz226706.C: New
>
>Index: gcc-3.2.3-20040701/gcc/reload1.c
>===================================================================
>--- gcc-3.2.3-20040701.orig/gcc/reload1.c	2006-10-13 04:32:14.000000000 -0300
>+++ gcc-3.2.3-20040701/gcc/reload1.c	2007-02-13 03:22:08.000000000 -0200
>@@ -9524,7 +9524,10 @@ fixup_abnormal_edges ()
> 		 && insn != bb->head)
> 	    insn = PREV_INSN (insn);
> 	  if (GET_CODE (insn) != CALL_INSN && !can_throw_internal (insn))
>-	    abort ();
>+	    {
>+	      purge_dead_edges (bb);
>+	      continue;
>+	    }
> 	  bb->end = insn;
> 	  inserted = true;
> 	  insn = NEXT_INSN (insn);
>Index: gcc-3.2.3-20040701/gcc/testsuite/g++.dg/eh/bz226706.C
>===================================================================
>--- /dev/null	1970-01-01 00:00:00.000000000 +0000
>+++ gcc-3.2.3-20040701/gcc/testsuite/g++.dg/eh/bz226706.C	2007-02-13 03:30:16.000000000 -0200
>@@ -0,0 +1,13 @@
>+/* { dg-do compile } */
>+/* { dg-options "-fnon-call-exceptions -fPIC -O2" } */
>+
>+void foo() {
>+     try {
>+        float y = 10;
>+        while (y > 0) {
>+            double z = (y / 10);
>+            y = z;
>+        }
>+     }
>+     catch (...) {}
>+}

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Attachments on bug 226706: 147106 | 147957