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authorbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2009-10-29 09:21:19 +0000
committerbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2009-10-29 09:21:19 +0000
commit4b5553a3a115a1822c78b95caa6bf9e3836be017 (patch)
tree563fb37c887b47ab52594848d1c3b6adfdf66448 /gcc/alias.c
parent074f914ef873c7b7981839045c56aa9ca2256c88 (diff)
downloadgcc-4b5553a3a115a1822c78b95caa6bf9e3836be017.tar.gz
2009-10-29 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk rev 153696 git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@153697 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/alias.c')
-rw-r--r--gcc/alias.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/alias.c b/gcc/alias.c
index 40226f26b17..1d4290f7848 100644
--- a/gcc/alias.c
+++ b/gcc/alias.c
@@ -2200,6 +2200,13 @@ nonoverlapping_memrefs_p (const_rtx x, const_rtx y)
if (! DECL_P (exprx) || ! DECL_P (expry))
return 0;
+ /* With invalid code we can end up storing into the constant pool.
+ Bail out to avoid ICEing when creating RTL for this.
+ See gfortran.dg/lto/20091028-2_0.f90. */
+ if (TREE_CODE (exprx) == CONST_DECL
+ || TREE_CODE (expry) == CONST_DECL)
+ return 1;
+
rtlx = DECL_RTL (exprx);
rtly = DECL_RTL (expry);