diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr102518.c | 12 | ||||
| -rw-r--r-- | gcc/tree-inline.c | 6 |
2 files changed, 17 insertions, 1 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr102518.c b/gcc/testsuite/gcc.dg/torture/pr102518.c new file mode 100644 index 0000000..bd181ec --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr102518.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ + +struct A { + int *x; +}; +int i; +int f(int *const c) { + struct A * b = (struct A *)(&c); + return b->x != 0; +} +void g() { f(&i); } + diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c index 5e50e80..e292a14 100644 --- a/gcc/tree-inline.c +++ b/gcc/tree-inline.c @@ -3490,7 +3490,11 @@ setup_one_parameter (copy_body_data *id, tree p, tree value, tree fn, /* We may produce non-gimple trees by adding NOPs or introduce invalid sharing when the value is not constant or DECL. And we need to make sure that it cannot be modified from another path in the callee. */ - if ((is_gimple_min_invariant (value) + if (((is_gimple_min_invariant (value) + /* When the parameter is used in a context that forces it to + not be a GIMPLE register avoid substituting something that + is not a decl there. */ + && ! DECL_NOT_GIMPLE_REG_P (p)) || (DECL_P (value) && TREE_READONLY (value)) || (auto_var_in_fn_p (value, id->dst_fn) && !TREE_ADDRESSABLE (value))) |