diff options
| -rw-r--r-- | src/librustc/middle/trans/cabi_x86_64.rs | 4 | ||||
| -rw-r--r-- | src/test/run-pass/issue-5754.rs | 19 |
2 files changed, 21 insertions, 2 deletions
diff --git a/src/librustc/middle/trans/cabi_x86_64.rs b/src/librustc/middle/trans/cabi_x86_64.rs index 0e4bf5ce574..fa85588cb0f 100644 --- a/src/librustc/middle/trans/cabi_x86_64.rs +++ b/src/librustc/middle/trans/cabi_x86_64.rs @@ -256,10 +256,10 @@ fn classify_ty(ty: TypeRef) -> ~[x86_64_reg_class] { cls[i] = sse_int_class; } else if is_sse(cls[i]) { i += 1; - while cls[i] == sseup_class { i += 1u; } + while i != e && cls[i] == sseup_class { i += 1u; } } else if cls[i] == x87_class { i += 1; - while cls[i] == x87up_class { i += 1u; } + while i != e && cls[i] == x87up_class { i += 1u; } } else { i += 1; } diff --git a/src/test/run-pass/issue-5754.rs b/src/test/run-pass/issue-5754.rs new file mode 100644 index 00000000000..003701b7a20 --- /dev/null +++ b/src/test/run-pass/issue-5754.rs @@ -0,0 +1,19 @@ +// Copyright 2013 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +struct S { + r: float +} + +extern "C" { + fn rust_dbg_extern_identity_double(arg1: S) -> float; +} + +pub fn main() {} |