/* PR target/6542 This testcase caused ICE on SPARC because the function uses no registers after optimizing, so even if -mflat make all registers not permitted for leaf functions, the function was still leaf, but LEAF_REG_REMAP returned -1 for some registers (like %o0). */ /* { dg-do compile } */ /* { dg-options "-O2 -g" } */ void foo (char *a, char *b, char *c, char *d) { }