digitalmars.D.bugs - [Issue 21380] New: compiler crashes when using auto ref
- d-bugmail puremagic.com (98/98) Nov 12 2020 https://issues.dlang.org/show_bug.cgi?id=21380
https://issues.dlang.org/show_bug.cgi?id=21380 Issue ID: 21380 Summary: compiler crashes when using auto ref Product: D Version: D2 Hardware: x86_64 OS: Linux Status: NEW Severity: critical Priority: P1 Component: dmd Assignee: nobody puremagic.com Reporter: feco.graczer gmail.com struct MySerializer (T) { void serializeSinkType(T2) (scope auto ref T2 record) {} } template SupportSinkTypeSer(SerT) { enum SupportSinkTypeSer = isSomeFunction!(SerT.init.serializeSinkType!int); } int main() { enum x = SupportSinkTypeSer!(MySerializer!int); return 0; } crashes compiler DMD64 D Compiler v2.094.0 with (/lib/x86_64-linux-gnu/libLLVM-10.so.1+0x9814ff) (/lib/x86_64-linux-gnu/libLLVM-10.so.1+0x97f782) (/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0) _D3dmd10dinterpret13ctfeInterpretFCQBh10expression10ExpressionZQBd (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x3c425f) _D3dmd9dtemplate16TemplateInstance14semanticTiargsFKxSQCa7globals3LocPSQCr6dscope5ScopePSQDj4root5array__T5ArrayTCQEiQz10rootobject10RootObjectZQBmiZb (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x26e7ef) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x394406) _D3dmd7initsem9inferTypeFCQy4init11InitializerPSQBu6dscope5ScopeZ8visitExpMFCQCxQCa14ExpInitializerZQCx (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x352a80) _D3dmd7initsem9inferTypeFCQy4init11InitializerPSQBu6dscope5ScopeZQBo (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x352655) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x3f4061) _D3dmd9dtemplate16TemplateInstance13expandMembersMFPSQBz6dscope5ScopeZv (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x3ee132) _D3dmd10dsymbolsem24templateInstanceSemanticFCQBs9dtemplate16TemplateInstancePSQCz6dscope5ScopePSQDr4root5array__T5ArrayTCQEq10expression10ExpressionZQBkZv (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x3e4ec9) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x39446a) _D3dmd7initsem9inferTypeFCQy4init11InitializerPSQBu6dscope5ScopeZ8visitExpMFCQCxQCa14ExpInitializerZQCx (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x352a80) _D3dmd7initsem9inferTypeFCQy4init11InitializerPSQBu6dscope5ScopeZQBo (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x352655) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x3f4061) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x39ed42) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x2798df) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x27a29a) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x2a9f3a) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x2a82cf) const*>&) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x31f3fc) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x5621f2) (/lib/x86_64-linux-gnu/libdruntime-ldc-shared.so.90+0xba9dc) (/lib/x86_64-linux-gnu/libdruntime-ldc-shared.so.90+0xba7ef) (/lib/x86_64-linux-gnu/libdruntime-ldc-shared.so.90+0xba65e) (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x23b535) /build/glibc-YYA7BZ/glibc-2.31/csu/../csu/libc-start.c:342:3 (/home/dan/dev/thirdparty/install-ldc-latest/bin/ldc2+0x23dabe) Segmentation fault (core dumped) ldc2 failed with exit code 139. workaround is to remove the auto keyword, in that case it compiles... --
Nov 12 2020