re PR testsuite/55994 (multiple definition or memset or strlen for builtins tests with LTO options)

	PR testsuite/55994
	* gcc.c-torture/execute/builtins/builtins.exp: Add
	-Wl,--allow-multiple-definition for eabi and elf targets.

From-SVN: r195250

gcc/testsuite/ChangeLog

 2013-01-16  Janis Johnson  <janisjo@codesourcery.com>
 
+	PR testsuite/55994
+	* gcc.c-torture/execute/builtins/builtins.exp: Add
+	-Wl,--allow-multiple-definition for eabi and elf targets.
+
 	PR testsuite/54622
 	* lib/target-supports.exp (check_effective_target_vect_perm_byte,
 	check_effective_target_vect_perm_short,

gcc/testsuite/gcc.c-torture/execute/builtins/builtins.exp

@@ -41,6 +41,10 @@ set additional_flags "-fno-tree-loop-distribute-patterns"
 if [istarget "powerpc-*-darwin*"] {
    lappend additional_flags "-Wl,-multiply_defined,suppress"
 }
+if { [istarget *-*-eabi*]
+     || [istarget *-*-elf] } {
+   lappend additional_flags "-Wl,--allow-multiple-definition"
+}
 
 foreach src [lsort [find $srcdir/$subdir *.c]] {
     if {![string match *-lib.c $src] && [runtest_file_p $runtests $src]} {