re PR tree-optimization/63583 (ICF does not check that the template strings are the same)

PR ipa/63583

	* ipa-icf-gimple.c (func_checker::compare_gimple_asm):
	Gimple tempate string is compared.

	* gcc.dg/ipa/pr63595.c: New test.

From-SVN: r216458

gcc/ChangeLog

+2014-10-20  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/63583
+	* ipa-icf-gimple.c (func_checker::compare_gimple_asm):
+	Gimple tempate string is compared.
+
 2014-10-20  Uros Bizjak  <ubizjak@gmail.com>
 
 	* varasm.c (const_alias_set): Remove.

gcc/ipa-icf-gimple.c

@@ -863,6 +863,9 @@ func_checker::compare_gimple_asm (gimple g1, gimple g2)
   if (gimple_asm_nclobbers (g1) != gimple_asm_nclobbers (g2))
     return false;
 
+  if (strcmp (gimple_asm_string (g1), gimple_asm_string (g2)) != 0)
+    return return_false_with_msg ("ASM strings are different");
+
   for (unsigned i = 0; i < gimple_asm_ninputs (g1); i++)
     {
       tree input1 = gimple_asm_input_op (g1, i);

gcc/testsuite/ChangeLog

+2014-10-20  Martin Liska  <mliska@suse.cz>
+
+	* gcc.dg/ipa/pr63595.c: New test.
+
 2014-10-19  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 
 	PR fortran/48979