sanitization for new test case. discard it when sanitizing, until it gets

rewritten or assigned to the fsf.

ld/testsuite/ld-shared/.Sanitize

@@ -33,6 +33,8 @@ xcoff.dat
 
 Things-to-lose:
 
+elf-offset.ld
+
 # The lines between the "Do-last:" line and the end of the file
 # are executed as a /bin/sh shell script after everything else is
 # done.

ld/testsuite/ld-shared/elf-offset.ld

@@ -5,7 +5,7 @@ PHDRS {
 }
 
 MEMORY {
-       RAM : ORIGIN = 0x10000, LENGTH = 0x7fffff
+       RAM : ORIGIN = 0x10000, LENGTH = 0x7ffffff
 }
 
 SECTIONS {

ld/testsuite/ld-shared/shared.exp

@@ -202,13 +202,16 @@ if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o]
 	setup_xfail "*-*-sunos4*"
 	shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
 
-	# Test ELF shared library relocations with a non-zero load
-	# address for the library.  Near as I can tell, the R_*_RELATIVE
-	# relocations for various targets are broken in the case where
-	# the load address is not zero (which is the default).
-	setup_xfail "*-*-sunos4*"
-	shared_test shnp "shared (non PIC, load offset)" \
-		mainnp.o sh1np.o sh2np.o shared "$srcdir/$subdir/elf-offset.ld"
+	if [file exists "$srcdir/$subdir/elf-offset.ld"] {
+	    # Test ELF shared library relocations with a non-zero load
+	    # address for the library.  Near as I can tell, the R_*_RELATIVE
+	    # relocations for various targets are broken in the case where
+	    # the load address is not zero (which is the default).
+	    setup_xfail "*-*-sunos4*"
+	    shared_test shnp "shared (non PIC, load offset)" \
+		    mainnp.o sh1np.o sh2np.o shared \
+		    "$srcdir/$subdir/elf-offset.ld"
+	}
     } }
 
     # Now compile the code using -fpic.