re PR debug/89006 (New note: non-delegitimized UNSPEC UNSPEC_SET_GOT (14) found…

re PR debug/89006 (New note: non-delegitimized UNSPEC UNSPEC_SET_GOT (14) found in variable location since r267638)

	PR debug/89006
	* config/i386/i386.c (ix86_pic_register_p): Return true for
	UNSPEC_SET_GOT too.

	* g++.dg/debug/pr89006.C: New test.

From-SVN: r268248

gcc/ChangeLog

 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
 
+	PR debug/89006
+	* config/i386/i386.c (ix86_pic_register_p): Return true for
+	UNSPEC_SET_GOT too.
+
 	PR tree-optimization/88964
 	* gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
 	punt if HONOR_SNANS (chrec).

gcc/config/i386/i386.c

@@ -16972,6 +16972,8 @@ ix86_pic_register_p (rtx x)
   if (GET_CODE (x) == VALUE && CSELIB_VAL_PTR (x))
     return (pic_offset_table_rtx
 	    && rtx_equal_for_cselib_p (x, pic_offset_table_rtx));
+  else if (GET_CODE (x) == UNSPEC && XINT (x, 1) == UNSPEC_SET_GOT)
+    return true;
   else if (!REG_P (x))
     return false;
   else if (pic_offset_table_rtx)

gcc/testsuite/ChangeLog

 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
 
+	PR debug/89006
+	* g++.dg/debug/pr89006.C: New test.
+
 	PR middle-end/89015
 	* gcc.dg/gomp/pr89015.c: New test.
 

gcc/testsuite/g++.dg/debug/pr89006.C

+// PR debug/89006
+// { dg-do compile }
+// { dg-options "-O2 -g -w" }
+// { dg-additional-options "-fPIC" { target fpic } }
+// { dg-bogus "non-delegitimized UNSPEC UNSPEC_SET_GOT" "" { target { i?86-*-* x86_64-*-* } } 0 }
+
+struct A { A (bool); };
+
+static void
+foo (const char *x)
+{
+  new A (x);
+}
+
+void
+bar ()
+{
+  foo ("foo");
+  foo ("bar");
+}