2008-04-15 Jakub Jelinek PR tree-optimization/35899 * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND rather than TREE_OPERAND. * gcc.dg/pr35899.c: New test. --- gcc/tree-inline.c.jj 2008-04-03 09:41:42.000000000 +0200 +++ gcc/tree-inline.c 2008-04-15 18:18:56.000000000 +0200 @@ -2868,15 +2868,15 @@ expand_call_inline (basic_block bb, tree if (TREE_CODE (stmt) == GIMPLE_MODIFY_STMT && TREE_CODE (GIMPLE_STMT_OPERAND (stmt, 0)) == SSA_NAME) { - tree name = TREE_OPERAND (stmt, 0); - tree var = SSA_NAME_VAR (TREE_OPERAND (stmt, 0)); + tree name = GIMPLE_STMT_OPERAND (stmt, 0); + tree var = SSA_NAME_VAR (GIMPLE_STMT_OPERAND (stmt, 0)); tree def = gimple_default_def (cfun, var); /* If the variable is used undefined, make this name undefined via move. */ if (def) { - TREE_OPERAND (stmt, 1) = def; + GIMPLE_STMT_OPERAND (stmt, 1) = def; update_stmt (stmt); } /* Otherwise make this variable undefined. */ --- gcc/testsuite/gcc.dg/pr35899.c.jj 2008-04-15 18:45:24.000000000 +0200 +++ gcc/testsuite/gcc.dg/pr35899.c 2008-04-15 18:43:10.000000000 +0200 @@ -0,0 +1,15 @@ +/* PR tree-optimization/35899 */ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +int +foo (void) +{ + int a = bar (); /* { dg-warning "previous implicit declaration" } */ + return a; +} + +void +bar (void) /* { dg-warning "conflicting types for" } */ +{ +}