[gcc] GCC 4.5.0=>4.5.1

gcc/libgomp/testsuite/lib/libgomp.exp

 # Damn dejagnu for not having proper library search paths for load_lib.
 # We have to explicitly load everything that gcc-dg.exp wants to load.
 
 proc load_gcc_lib { filename } {
     global srcdir loaded_libs
 
     load_file $srcdir/../../gcc/testsuite/lib/$filename
     set loaded_libs($filename) ""
 }
 
@@ skipping 48 matching lines @@
     global target_triplet
     global always_ld_library_path
 
     set blddir [lookfor_file [get_multilibs] libgomp]
 
     # We set LC_ALL and LANG to C so that we get the same error
     # messages as expected.
     setenv LC_ALL C
     setenv LANG C
 
+    # Many hosts now default to a non-ASCII C locale, however, so
+    # they can set a charset encoding here if they need.
+    if { [ishost "*-*-cygwin*"] } {
+      setenv LC_ALL C.ASCII
+      setenv LANG C.ASCII
+    }
+
     if ![info exists GCC_UNDER_TEST] then {
         if [info exists TOOL_EXECUTABLE] {
             set GCC_UNDER_TEST $TOOL_EXECUTABLE
         } else {
             set GCC_UNDER_TEST "[find_gcc]"
         }
     }
 
     if ![info exists tmpdir] {
         set tmpdir "/tmp"
@@ skipping 37 matching lines @@
             if { [llength [glob -nocomplain ${gccdir}/${mldir}/libgcc_s*.so.*]] >= 1 } {
               append always_ld_library_path ":${gccdir}/${mldir}"
             }
           }
         }
     }
 
     set ALWAYS_CFLAGS ""
     if { $blddir != "" } {
         lappend ALWAYS_CFLAGS "additional_flags=-B${blddir}/"
+        # targets that use libgomp.a%s in their specs need a -B option
+        # for uninstalled testing.
+        lappend ALWAYS_CFLAGS "additional_flags=-B${blddir}/.libs"
         lappend ALWAYS_CFLAGS "additional_flags=-I${blddir}"
         lappend ALWAYS_CFLAGS "ldflags=-L${blddir}/.libs"
     }
     lappend ALWAYS_CFLAGS "additional_flags=-I${srcdir}/.."
     lappend ALWAYS_CFLAGS "ldflags=-lgomp"
 
     # We use atomic operations in the testcases to validate results.
     if { ([istarget i?86-*-*] || [istarget x86_64-*-*])
          && [check_effective_target_ilp32] } {
         lappend ALWAYS_CFLAGS "additional_flags=-march=i486"
@@ skipping 74 matching lines @@
         global libgomp_compile_options
         regsub "--additional_options," $option "" option
         foreach x [split $option ","] {
             lappend libgomp_compile_options "additional_flags=$x"
         }
         return 1
     } else {
         return 0
     }
 }