From 519345901bc8ee08de2ea9c450aa56594724f4e7 Mon Sep 17 00:00:00 2001
From: Vladimir Makarov <vmakarov@redhat.com>
Date: Wed, 20 Oct 2010 13:51:31 +0000
Subject: [PATCH] re PR fortran/42169 (gfortran.dg/pr41928.f90:47: internal
compiler error: in store_can_be_removed_p, at ira-emit.c:371)
2010-10-20 Vladimir Makarov <vmakarov@redhat.com>
PR fortran/42169
* ira-emit.c (store_can_be_removed_p): Return false instead of
gcc_unreachable.
From-SVN: r165722
---
gcc/ChangeLog | 6 ++++++
gcc/ira-emit.c | 3 ++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3db8d6e34461..9845453b2f23 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-10-20 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR fortran/42169
+ * ira-emit.c (store_can_be_removed_p): Return false instead of
+ gcc_unreachable.
+
2010-10-20 Dmitry Melnik <dm@ispras.ru>
* fold-const.c (fold_binary_loc): New transformation.
diff --git a/gcc/ira-emit.c b/gcc/ira-emit.c
index 7221e444b0d1..b90adb71da37 100644
--- a/gcc/ira-emit.c
+++ b/gcc/ira-emit.c
@@ -367,7 +367,8 @@ store_can_be_removed_p (ira_allocno_t src_allocno, ira_allocno_t dest_allocno)
prohibit removal of the store in such complicated case. */
return false;
}
- gcc_unreachable ();
+ /* It is actually a loop entry -- do not remove the store. */
+ return false;
}
/* Generate and attach moves to the edge E. This looks at the final
--
GitLab