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[PATCH]Add -fprofile-use option for check_effective_target_freorder.


Hi all,

After r228136, flag_reorder_blocks_and_partition is canceled when -fprofile-use is not specified.

In this case check_effective_target_freorder() is not able to check the proper target support. This is a simple patch to add "-fprofile-use" option that effective target check.

Okay to commit on the trunk?

Regards,
Renlin Li

gcc/testsuite/ChangeLog:

2015-10-26  Renlin Li  <renlin.li@arm.com>

    * lib/target-supports.exp (check_effective_target_freorder): Add
    -fprofile-use flag.
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index b543519..0dc13be 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -960,11 +960,12 @@ proc check_effective_target_fstack_protector {} {
 
 # Return 1 if compilation with -freorder-blocks-and-partition is error-free
 # for trivial code, 0 otherwise.
+# -freorder-blocks-and-partition has no effect if given without -fprofile-use.
 
 proc check_effective_target_freorder {} {
     return [check_no_compiler_messages freorder object {
 	void foo (void) { }
-    } "-freorder-blocks-and-partition"]
+    } "-freorder-blocks-and-partition -fprofile-use"]
 }
 
 # Return 1 if -fpic and -fPIC are supported, as in no warnings or errors

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