llvm-gcc-4.2/gcc/testsuite/gcc.dg/tree-ssa/20040302-1.c

/* { dg-do compile } */
/* { dg-options "-O1 --param global-var-threshold=0" } */

/* Test for .GLOBAL_VAR not being renamed into SSA after alias analysis.
   provided by Dale Johannesen in PR 14266.  */

void foo() { bar (); }
main () { foo (); }