[Issue 17767] New: Dmd and Gdc report an internal error in the compiler when compiling recast.d, but Ldc can perfectly compile it.

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=17767

          Issue ID: 17767
           Summary: Dmd and Gdc report an internal error in the compiler
                    when compiling recast.d, but Ldc can perfectly compile
                    it.
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: major
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: ecstatic.coder at gmail.com

Created attachment 1655
  --> https://issues.dlang.org/attachment.cgi?id=1655&action=edit
standalone D file which crashes the Dmd and Gdc compilers

Dmd and Gdc report an internal error in the compiler when compiling recast.d,
but Ldc can perfectly compile it.

https://github.com/senselogic/RECAST/blob/master/recast.d

$ dmd --version

DMD64 D Compiler v2.075.1
Copyright (c) 1999-2017 by Digital Mars written by Walter Bright
eric at ENVY17 ~/data/WORK/PROJECT/TOOL/RECAST $ dmd -m64 recast.d
recast.o : Dans la fonction «
_D3std4conv17__T6toImplTAyaTsZ6toImplFNaNbNeskE3std5ascii10LetterCaseZAya » :
recast.d:(.text._D3std4conv17__T6toImplTAyaTsZ6toImplFNaNbNeskE3std5ascii10LetterCaseZAya[_D3std4conv17__T6toImplTAyaTsZ6toImplFNaNbNeskE3std5ascii10LetterCaseZAya]+0x5f)
: référence indéfinie vers «
_D3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6Result
»
recast.o : Dans la fonction «
_D3std5array96__T5arrayTS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZ5arrayFNaNbNfS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZAa
» :
recast.d:(.text._D3std5array96__T5arrayTS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZ5arrayFNaNbNfS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZAa[_D3std5array96__T5arrayTS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZ5arrayFNaNbNfS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZAa]+0xd)
: référence indéfinie vers «
_D3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6Result6lengthMFNaNbNdNiNfZm
»
recast.d:(.text._D3std5array96__T5arrayTS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZ5arrayFNaNbNfS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZAa[_D3std5array96__T5arrayTS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZ5arrayFNaNbNfS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZAa]+0x4f)
: référence indéfinie vers «
_D3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6Result5emptyMFNaNbNdNiNfZb
»
recast.d:(.text._D3std5array96__T5arrayTS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZ5arrayFNaNbNfS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZAa[_D3std5array96__T5arrayTS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZ5arrayFNaNbNfS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZAa]+0x5c)
: référence indéfinie vers «
_D3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6Result5frontMFNaNbNdNiNfZa
»
recast.d:(.text._D3std5array96__T5arrayTS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZ5arrayFNaNbNfS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZAa[_D3std5array96__T5arrayTS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZ5arrayFNaNbNfS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZAa]+0x9f)
: référence indéfinie vers «
_D3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6Result8popFrontMFNaNbNiNfZv
»
recast.o : Dans la fonction «
_D3std4conv17__T6toImplTAyaTiZ6toImplFNaNbNeikE3std5ascii10LetterCaseZAya » :
recast.d:(.text._D3std4conv17__T6toImplTAyaTiZ6toImplFNaNbNeikE3std5ascii10LetterCaseZAya[_D3std4conv17__T6toImplTAyaTiZ6toImplFNaNbNeikE3std5ascii10LetterCaseZAya]+0x5e)
: référence indéfinie vers «
_D3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6Result
»
recast.o : Dans la fonction «
_D3std4conv17__T6toImplTAyaThZ6toImplFNaNbNehkE3std5ascii10LetterCaseZAya » :
recast.d:(.text._D3std4conv17__T6toImplTAyaThZ6toImplFNaNbNehkE3std5ascii10LetterCaseZAya[_D3std4conv17__T6toImplTAyaThZ6toImplFNaNbNehkE3std5ascii10LetterCaseZAya]+0x60)
: référence indéfinie vers «
_D3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6Result
»
recast.o : Dans la fonction «
_D3std4conv110__T8textImplTAyaTAyaTPvTAyaTiTAyaTiTAyaTaTAyaThTAyaThTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTAxaTAyaTAxaTAyaZ8textImplFNaNfAyaPvAyaiAyaiAyaaAyahAyahAyabAyabAyabAyabAyabAyabAyaAxaAyaAxaAyaZAya
» :
recast.d:(.text._D3std4conv110__T8textImplTAyaTAyaTPvTAyaTiTAyaTiTAyaTaTAyaThTAyaThTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTAxaTAyaTAxaTAyaZ8textImplFNaNfAyaPvAyaiAyaiAyaaAyahAyahAyabAyabAyabAyabAyabAyabAyaAxaAyaAxaAyaZAya[_D3std4conv110__T8textImplTAyaTAyaTPvTAyaTiTAyaTiTAyaTaTAyaThTAyaThTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTAxaTAyaTAxaTAyaZ8textImplFNaNfAyaPvAyaiAyaiAyaaAyahAyahAyabAyabAyabAyabAyabAyabAyaAxaAyaAxaAyaZAya]+0xb9)
: référence indéfinie vers «
_D3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6Result
»
recast.d:(.text._D3std4conv110__T8textImplTAyaTAyaTPvTAyaTiTAyaTiTAyaTaTAyaThTAyaThTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTAxaTAyaTAxaTAyaZ8textImplFNaNfAyaPvAyaiAyaiAyaaAyahAyahAyabAyabAyabAyabAyabAyabAyaAxaAyaAxaAyaZAya[_D3std4conv110__T8textImplTAyaTAyaTPvTAyaTiTAyaTiTAyaTaTAyaThTAyaThTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTAxaTAyaTAxaTAyaZ8textImplFNaNfAyaPvAyaiAyaiAyaaAyahAyahAyabAyabAyabAyabAyabAyabAyaAxaAyaAxaAyaZAya]+0xd1)
: référence indéfinie vers «
_D3std5array17__T8AppenderTAyaZ8Appender94__T3putTS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZ3putMFNaNbNfS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZv
»
recast.d:(.text._D3std4conv110__T8textImplTAyaTAyaTPvTAyaTiTAyaTiTAyaTaTAyaThTAyaThTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTAxaTAyaTAxaTAyaZ8textImplFNaNfAyaPvAyaiAyaiAyaaAyahAyahAyabAyabAyabAyabAyabAyabAyaAxaAyaAxaAyaZAya[_D3std4conv110__T8textImplTAyaTAyaTPvTAyaTiTAyaTiTAyaTaTAyaThTAyaThTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTAxaTAyaTAxaTAyaZ8textImplFNaNfAyaPvAyaiAyaiAyaaAyahAyahAyabAyabAyabAyabAyabAyabAyaAxaAyaAxaAyaZAya]+0x114)
: référence indéfinie vers «
_D3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6Result
»
recast.d:(.text._D3std4conv110__T8textImplTAyaTAyaTPvTAyaTiTAyaTiTAyaTaTAyaThTAyaThTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTAxaTAyaTAxaTAyaZ8textImplFNaNfAyaPvAyaiAyaiAyaaAyahAyahAyabAyabAyabAyabAyabAyabAyaAxaAyaAxaAyaZAya[_D3std4conv110__T8textImplTAyaTAyaTPvTAyaTiTAyaTiTAyaTaTAyaThTAyaThTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTbTAyaTAxaTAyaTAxaTAyaZ8textImplFNaNfAyaPvAyaiAyaiAyaaAyahAyahAyabAyabAyabAyabAyabAyabAyaAxaAyaAxaAyaZAya]+0x12c)
: référence indéfinie vers «
_D3std5array17__T8AppenderTAyaZ8Appender94__T3putTS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZ3putMFNaNbNfS3std4conv47__T7toCharsVii10TaVE3std5ascii10LetterCasei1TiZ7toCharsFNaNbNiNfiZ6ResultZv
»
collect2: error: ld returned 1 exit status
Error: linker exited with status 1

$ gdc --version

gdc (Ubuntu 5.4.1-2ubuntu1~16.04) 5.4.1 20160904
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$ gdc -m64 recast.d

recast.d:1:0: internal compiler error: in toSymbol, at d/d-decls.cc:75
 /*
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-5/README.Bugs> for instructions.

$ ldc2 --version

LDC - the LLVM D compiler (1.0.0):
  based on DMD v2.071.2 and LLVM 3.8.0
  built with LDC - the LLVM D compiler (0.17.1)
  Default target: x86_64-pc-linux-gnu
  Host CPU: haswell
  http://dlang.org - http://wiki.dlang.org/LDC

  Registered Targets:
    aarch64    - AArch64 (little endian)
    aarch64_be - AArch64 (big endian)
    amdgcn     - AMD GCN GPUs
    arm        - ARM
    arm64      - ARM64 (little endian)
    armeb      - ARM (big endian)
    bpf        - BPF (host endian)
    bpfeb      - BPF (big endian)
    bpfel      - BPF (little endian)
    cpp        - C++ backend
    hexagon    - Hexagon
    mips       - Mips
    mips64     - Mips64 [experimental]
    mips64el   - Mips64el [experimental]
    mipsel     - Mipsel
    msp430     - MSP430 [experimental]
    nvptx      - NVIDIA PTX 32-bit
    nvptx64    - NVIDIA PTX 64-bit
    ppc32      - PowerPC 32
    ppc64      - PowerPC 64
    ppc64le    - PowerPC 64 LE
    r600       - AMD GPUs HD2XXX-HD6XXX
    sparc      - Sparc
    sparcel    - Sparc LE
    sparcv9    - Sparc V9
    systemz    - SystemZ
    thumb      - Thumb
    thumbeb    - Thumb (big endian)
    x86        - 32-bit X86: Pentium-Pro and above
    x86-64     - 64-bit X86: EM64T and AMD64
    xcore      - XCore

$ ldc2 -m64 recast.d

$

--