re PR middle-end/41734 (ICE in cgraph_mark_functions_to_output, at cgraphunit.c:1137 with -fwhopr)

2010-04-23  Richard Guenther  <rguenther@suse.de>

	PR lto/41734
	* gcc.dg/lto/20100423-2_0.c: New testcase.
	* gcc.dg/lto/20100423-2_0.c: Likewise.

From-SVN: r158670

gcc/testsuite/ChangeLog

 2010-04-23  Richard Guenther  <rguenther@suse.de>
 
+	PR lto/41734
+	* gcc.dg/lto/20100423-2_0.c: New testcase.
+	* gcc.dg/lto/20100423-2_0.c: Likewise.
+
+2010-04-23  Richard Guenther  <rguenther@suse.de>
+
 	PR lto/43455
 	* gcc.dg/lto/20100423-1_0.c: New testcase.
 	* gcc.dg/lto/20100423-1_1.c: Likewise.

gcc/testsuite/gcc.dg/lto/20100423-2_0.c

+/* { dg-lto-do link } */
+/* { dg-lto-options {{-O2 -flto} {-O2 -fwhopr} {-O3 -flto} {-O3 -fwhopr}} } */
+
+typedef unsigned int size_t;
+extern struct _IO_FILE *stderr;
+typedef unsigned char uch;
+extern uch inbuf[];
+unsigned insize;
+char *progname;
+extern void read_error (void);
+int fill_inbuf(int eof_ok)
+{
+  if (insize == 0) 
+    {
+      if (eof_ok)
+        return -1;
+      read_error();
+    }
+  return inbuf[0];
+}
+void read_error(void)
+{
+  __builtin_fprintf(stderr, "\n%s: ", progname);
+}
+

gcc/testsuite/gcc.dg/lto/20100423-2_1.c

+typedef unsigned char uch;
+uch inbuf[8];
+extern unsigned insize;
+unsigned inptr; 
+int to_stdout = 0;
+int force = 0;
+extern int fill_inbuf (int);
+int get_method(int in)
+{
+  char magic[2];
+  if (force && to_stdout)
+    magic[0] = (char)(inptr < insize ? inbuf[inptr++] : fill_inbuf(1));
+  else
+    magic[1] = (char)(inptr < insize ? inbuf[inptr++] : fill_inbuf(0));
+}
+int main()
+{
+  return 0;
+}
+