@code_native regresion.

[Ismael Venegas Castelló]

Should I report this as a bug in a new issue? This works as espected:

root@server1:~# julia5

               _

   _       _ _(_)_     |  A fresh approach to technical computing

  (_)     | (_) (_)    |  Documentation: http://docs.julialang.org

   _ _   _| |_  __ _   |  Type "?help" for help.

  | | | | | | |/ _` |  |

  | | |_| | | | (_| |  |  Version 0.5.0-dev+3313 (2016-03-29 15:14 UTC)

 _/ |\__'_|_|_|\__'_|  |  Commit 5e01b1a (0 days old master)

|__/                   |  x86_64-unknown-linux-gnu

julia> @code_native 1 + 1

        .text

Filename: int.jl

Source line: 0

        pushq   %rbp

        movq    %rsp, %rbp

Source line: 32

        leaq    (%rdi,%rsi), %rax

        popq    %rbp

        retq

        nopw    (%rax,%rax)

julia> versioninfo(true)

Julia Version 0.5.0-dev+3313

Commit 5e01b1a (2016-03-29 15:14 UTC)

Platform Info:

  System: Linux (x86_64-unknown-linux-gnu)

  CPU: Intel(R) Xeon(R) CPU           X5670  @ 2.93GHz

  WORD_SIZE: 64

  uname: Linux 4.2.6-1-pve #1 SMP Wed Dec 9 10:49:55 CET 2015 x86_64 unknown

Memory: 188.8544464111328 GB (137796.3203125 MB free)

Uptime: 713062.0 sec

Load Avg:  8.884765625  8.30126953125  8.330078125

Intel(R) Xeon(R) CPU           X5670  @ 2.93GHz:

          speed         user         nice          sys         idle          irq

#1-24  1729 MHz   12770642 s          0 s    2388619 s  1691152789 s          0 s

  BLAS: libopenblas (USE64BITINT DYNAMIC_ARCH NO_AFFINITY Nehalem)

  LAPACK: libopenblas64_

  LIBM: libopenlibm

  LLVM: libLLVM-3.7.1 (ORCJIT, westmere)

Environment:

  TERM = screen

  PATH = /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

  HOME = /root

Package Directory: /root/.julia/v0.5

No packages installed

But just built Julia and I get:

root@server1:~# julia-dev

               _

   _       _ _(_)_     |  A fresh approach to technical computing

  (_)     | (_) (_)    |  Documentation: http://docs.julialang.org

   _ _   _| |_  __ _   |  Type "?help" for help.

  | | | | | | |/ _` |  |

  | | |_| | | | (_| |  |  Version 0.5.0-dev+3329 (2016-03-29 22:27 UTC)

 _/ |\__'_|_|_|\__'_|  |  Commit a5f2c7a (0 days old master)

|__/                   |  x86_64-linux-gnu

julia> @code_native 1 + 1

        .text

Filename: int.jl

Source line: 0

        pushq   %rbp

        movq    %rsp, %rbp

        pushq   %rbx

        subq    $40, %rsp

        movq    32401512(%rip), %rax

        leaq    -40(%rbp), %rcx

        movq    $0, -24(%rbp)

        movq    $0, -16(%rbp)

        movq    $4, -40(%rbp)

        movq    (%rax), %rdx

        movq    %rdx, -32(%rbp)

        movq    %rcx, (%rax) 

Source line: 32 

        movq    32402611(%rip), %rbx

        movq    32402611(%rip), %rbx

        leaq    (%rdi,%rsi), %rdi

        callq   0xfffffffffff4711f

        movq    %rax, -24(%rbp)

        movq    %rbx, %rdi

        movq    %rax, %rsi

        callq   0xfffffffffff46fb0

        movq    32401436(%rip), %rcx

        movq    %rax, -16(%rbp)

        movq    (%rax), %rax

        movq    -32(%rbp), %rdx

        movq    %rdx, (%rcx)

        addq    $40, %rsp

        popq    %rbx

        popq    %rbp

        retq

        nopw    %cs:(%rax,%rax)

julia> add(x, y) = x + y

add (generic function with 1 method)

julia> @code_native add(1, 1)

        .text

Filename: none

Source line: 0

        pushq   %rbp

        movq    %rsp, %rbp

Source line: 1

        leaq    (%rdi,%rsi), %rax

        popq    %rbp

        retq

        nopw    (%rax,%rax)

julia> versioninfo(true)

Julia Version 0.5.0-dev+3329

Commit a5f2c7a (2016-03-29 22:27 UTC)

Platform Info:

  System: Linux (x86_64-linux-gnu)

  CPU: Intel(R) Xeon(R) CPU           X5670  @ 2.93GHz

  WORD_SIZE: 64

  uname: Linux 4.2.6-1-pve #1 SMP Wed Dec 9 10:49:55 CET 2015 x86_64 unknown

Memory: 188.8544464111328 GB (138159.8828125 MB free)

Uptime: 713183.0 sec

Load Avg:  3.5283203125  6.55322265625  7.69384765625

Intel(R) Xeon(R) CPU           X5670  @ 2.93GHz:

          speed         user         nice          sys         idle          irq

#1-24  1596 MHz   12807637 s          0 s    2390630 s  1691405139 s          0 s

  BLAS: libopenblas (USE64BITINT DYNAMIC_ARCH NO_AFFINITY Nehalem)

  LAPACK: libopenblas64_

  LIBM: libopenlibm

  LLVM: libLLVM-3.7.1 (ORCJIT, westmere)

Environment:

  TERM = screen

  PATH = /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

  HOME = /root

Package Directory: /root/.julia/v0.5

No packages installed

[Jameson Nash]

Yes, it looks like Jeff broke this in #15609

[Jeff Bezanson]

Good catch; fix on the way.