diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a12bbdef1909e555cbda9a2acb0041faf45abfa0..ca686329cb466453f572b993e0f74a671251d8b3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,6 +1,13 @@
+2010-11-29 Zdenek Dvorak <rakdver@kam.uniff.cz>
+
+ PR tree-optimization/46675
+ * tree-ssa-loop-niter.c (split_to_var_and_offset): Avoid overflow
+ in offset calculation.
+
2010-11-29 Jan Hubicka <jh@suse.cz>
- * collect2.c (main): Do not imply verbose output with LTO and linker plugin.
+ * collect2.c (main): Do not imply verbose output with
+ LTO and linker plugin.
2010-11-29 Dodji Seketeli <dodji@redhat.com>
@@ -12,7 +19,7 @@
PR debug/46101
* dwarf2out.c (lookup_type_die_strip_naming_typedef): New
function.
- (scope_die_for, gen_type_die_for_member): Replace uses of
+ (scope_die_for, gen_type_die_for_member): Replace uses of
lookup_type_die with use of lookup_type_die_strip_naming_typedef.
2010-11-29 Iain Sandoe <iains@gcc.gnu.org>
@@ -74,12 +81,11 @@
(SECTION_NO_ANCHOR): Define.
(TARGET_ASM_OUTPUT_ANCHOR) Define with a default of NULL.
(DARWIN_SECTION_ANCHORS): Define with a default of 0.
-
+
2010-11-29 Joseph Myers <joseph@codesourcery.com>
* system.h: Include "safe-ctype.h" instead of <safe-ctype.h>.
- Include <signal.h>, <sys/mman.h>, <sys/resource.h> and
- <sys/times.h>.
+ Include <signal.h>, <sys/mman.h>, <sys/resource.h> and <sys/times.h>.
(O_BINARY, SIGCHLD, MAP_FAILED, MAP_ANONYMOUS, kill):
Conditionally define.
(GET_ENVIRONMENT): Poison.
@@ -111,8 +117,7 @@
* config/microblaze/microblaze.c: Don't include <signal.h>.
* config/mips/mips.c: Don't include <signal.h>.
* config/rs6000/host-darwin.c: Don't include <signal.h>.
- * cppdefault.c (cpp_relocated): Use getenv instead of
- GET_ENVIRONMENT.
+ * cppdefault.c (cpp_relocated): Use getenv instead of GET_ENVIRONMENT.
* defaults.h (GET_ENVIRONMENT): Don't define.
* et-forest.h: Don't include <ansidecl.h> or <stddef.h>.
* gcc.c: Don't include <signal.h>, <sys/mman.h> or <sys/types.h>.
@@ -127,10 +132,8 @@
* ggc-zone.c: Don't include <sys/mman.h>.
(MAP_ANONYMOUS, MAP_FAILED): Don't define.
* graph.c: Include "config.h" instead of <config.h>.
- * incpath.c (add_env_var_paths): Use getenv instead of
- GET_ENVIRONMENT.
- * lto-wrapper.c: Don't include <errno.h>, <signal.h> or
- "libiberty.h".
+ * incpath.c (add_env_var_paths): Use getenv instead of GET_ENVIRONMENT.
+ * lto-wrapper.c: Don't include <errno.h>, <signal.h> or "libiberty.h".
(SIGCHLD, kill): Don't define.
* mips-tfile.c: Don't include <signal.h>.
* opts.c: Don't include <signal.h> or <sys/resource.h>.
@@ -153,7 +156,7 @@
objc_begin_catch_clause() in that case. Improved error recovery.
Reorganized code to be almost identical to
cp_parser_objc_try_catch_finally_statement.
-
+
2010-11-29 Joern Rennecke <amylaar@spamcop.net>
PR tree-optimization/46621
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 19080bcb038ba4b63fa6887fbbd9089c23b4015d..c4bf6203e78cecf5c3986a70e28f27e14e10127f 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,28 +1,35 @@
+2010-11-29 Richard Guenther <rguenther@suse.de>
+ Zdenek Dvorak <rakdver@kam.uniff.cz>
+
+ PR tree-optimization/46675
+ * gcc.dg/pr46675.c: New test.
+
2010-11-29 Iain Sandoe <iains@gcc.gnu.org>
* gcc/testsuite/objc.dg/strings-1.m: Move to...
* gcc/testsuite/objc.dg/strings/strings-1.m: ... here. Update paths.
* gcc/testsuite/objc.dg/strings-2.m: Move to ...
- * gcc/testsuite/objc.dg/strings/strings-2.m ... here, provide a
+ * gcc/testsuite/objc.dg/strings/strings-2.m ... here, provide a
constructor and class reference for NeXT runtime. Update paths.
* gcc/testsuite/obj-c++.dg/strings-1.m: Move to...
* gcc/testsuite/obj-c++.dg/strings/strings-1.m: ... here. Update paths.
* gcc/testsuite/obj-c++.dg/strings-2.m: Move to ...
- * gcc/testsuite/obj-c__.dg/strings/strings-2.m ... here, provide a
+ * gcc/testsuite/obj-c__.dg/strings/strings-2.m ... here, provide a
constructor and class reference for NeXT runtime. Update paths.
-
+
2010-11-29 Dodji Seketeli <dodji@redhat.com>
PR c++/42260
* g++.dg/conversion/cast2.C: New test.
- * g++.dg/conversion/cond4/C: Likewise. This ensures we don't regress on
+
PR c++/45383
+ * g++.dg/conversion/cond4.C: Likewise.
2010-11-29 Dodji Seketeli <dodji@redhat.com>
PR c++/45383
Reverted patch for PR c++/42260
- * conversion/cast2.C: Reverted new test.
+ * g++.dg/conversion/cast2.C: Reverted new test.
2010-11-29 Dodji Seketeli <dodji@redhat.com>
@@ -91,21 +98,21 @@
2010-11-27 Nicola Pero <nicola.pero@meta-innovation.com>
- PR objc++/46222
+ PR objc++/46222
* obj-c++.dg/property/at-property-2.mm: Uncommented testcase.
2010-11-27 Nicola Pero <nicola.pero@meta-innovation.com>
* objc.dg/property/at-property-24.m: New.
- * objc.dg/property/at-property-25.m: New.
+ * objc.dg/property/at-property-25.m: New.
* obj-c++.dg/property/at-property-24.mm: New.
* obj-c++.dg/property/at-property-25.mm: New.
2010-11-27 Nicola Pero <nicola.pero@meta-innovation.com>
- * objc.dg/protocol-qualifier-1.m: New.
+ * objc.dg/protocol-qualifier-1.m: New.
* objc.dg/protocol-qualifier-2.m: New.
- * obj-c++.dg/protocol-qualifier-1.mm: New.
+ * obj-c++.dg/protocol-qualifier-1.mm: New.
* obj-c++.dg/protocol-qualifier-2.mm: New.
2010-11-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
diff --git a/gcc/testsuite/gcc.dg/pr46675.c b/gcc/testsuite/gcc.dg/pr46675.c
new file mode 100644
index 0000000000000000000000000000000000000000..7493f0e6032bd438f50aa2dd06c7afadb19ae0b9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr46675.c
@@ -0,0 +1,29 @@
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+extern void abort (void);
+
+int j;
+
+void
+__attribute__((noinline))
+foo (int n)
+{
+ int npairs, i;
+ npairs = n - (-__INT_MAX__ - 1);
+
+ if (npairs > 0)
+ for (i = 0; i < npairs; i++)
+ j++;
+}
+
+int
+main ()
+{
+ foo (5 - __INT_MAX__ - 1);
+
+ if (j != 5)
+ abort ();
+
+ return 0;
+}
diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c
index 94d150d824642860075a89de8bd1200887e3d04a..466cdae80b76d68cd24794aebb1c952d7d3f10b6 100644
--- a/gcc/tree-ssa-loop-niter.c
+++ b/gcc/tree-ssa-loop-niter.c
@@ -95,10 +95,10 @@ split_to_var_and_offset (tree expr, tree *var, mpz_t offset)
*var = op0;
/* Always sign extend the offset. */
off = tree_to_double_int (op1);
- if (negate)
- off = double_int_neg (off);
off = double_int_sext (off, TYPE_PRECISION (type));
mpz_set_double_int (offset, off, false);
+ if (negate)
+ mpz_neg (offset, offset);
break;
case INTEGER_CST: