ICE when building appstream-generator

When building appstream-generator incrementally (i.e. with meson, see attached script which you can run in a chroot), gdc-6 crashes

FAILED: appstream-generator@exe/source_backends_archlinux_alpkg.d.o
gdc-6 '-Iappstream-generator@exe' '-fdiagnostics-color=always' '-I..' '-I.' '-Isource/' '-I../source/' '-Isource/bindings/auto' '-I../source/bindings/auto' '-I/usr/include/d/mustache-d/src' '-I/usr/include/d/mustache-d/src' '-Wall' '-Wdeprecated' '-Wl,--push-state,-no-as-needed -lcurl -Wl,--pop-state' '-g' '-O0' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/AppStream' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-pthread' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/librsvg-2.0' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-I/usr/include/freetype2' -o 'appstream-generator@exe/source_backends_archlinux_alpkg.d.o' -c ../source/backends/archlinux/alpkg.d
cc1d: ../../src/gcc/d/dfrontend/mangle.c:384: void Mangler::mangleFunc(FuncDeclaration*, bool): Assertion `0' failed.
[/usr/lib/gcc/x86_64-linux-gnu/6/include/d/std/range/package.d:795:6] chain (ByCodeUnitImpl _param_0, OnlyResult!(char, 1LU) _param_1, ByCodeUnitImpl _param_2)
../source/backends/archlinux/alpkg.d:28:8: internal compiler error: Aborted
 import backends.interfaces;
        ^
0xad169f crash_signal
 ../../src/gcc/toplev.c:333
0x6af86e Mangler::mangleFunc(FuncDeclaration*, bool)
 ../../src/gcc/d/dfrontend/mangle.c:384
0x6ae518 mangleExact(FuncDeclaration*)
 ../../src/gcc/d/dfrontend/mangle.c:877
0x71ea95 FuncDeclaration::toSymbol()
 ../../src/gcc/d/d-decls.cc:304
0x71feeb d_decl_context(Dsymbol*)
 ../../src/gcc/d/d-codegen.cc:313
0x74dc90 TypeVisitor::visit(TypeStruct*)
 ../../src/gcc/d/types.cc:275
0x74d95d build_ctype(Type*)
 ../../src/gcc/d/types.cc:503
0x71f432 AggregateDeclaration::toInitializer()
 ../../src/gcc/d/d-decls.cc:720
0x65ac7c CallExp::semantic(Scope*)
 ../../src/gcc/d/dfrontend/expression.c:8462
0x6f4e4f ReturnStatement::semantic(Scope*)
 ../../src/gcc/d/dfrontend/statement.c:3900
0x6f25d1 CompoundStatement::semantic(Scope*)
 ../../src/gcc/d/dfrontend/statement.c:1165
0x677b74 FuncDeclaration::semantic3(Scope*)
 ../../src/gcc/d/dfrontend/func.c:1559
0x6ffc83 TemplateInstance::semantic3(Scope*)
 ../../src/gcc/d/dfrontend/template.c:7618
0x7063b2 TemplateInstance::trySemantic3(Scope*)
 ../../src/gcc/d/dfrontend/template.c:5811
0x70c8ce TemplateInstance::semantic(Scope*, Array<Expression*>*)
 ../../src/gcc/d/dfrontend/template.c:6213
0x70cd09 functionResolve(Match*, Dsymbol*, Loc, Scope*, Array<RootObject*>*, Type*, Array<Expression*>*)
 ../../src/gcc/d/dfrontend/template.c:2578
0x671329 resolveFuncCall(Loc, Scope*, Dsymbol*, Array<RootObject*>*, Type*, Array<Expression*>*, int)
 ../../src/gcc/d/dfrontend/func.c:3320
0x658512 CallExp::semantic(Scope*)
 ../../src/gcc/d/dfrontend/expression.c:8853
0x6f4e4f ReturnStatement::semantic(Scope*)
 ../../src/gcc/d/dfrontend/statement.c:3900
0x6f25d1 CompoundStatement::semantic(Scope*)
 ../../src/gcc/d/dfrontend/statement.c:1165
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
[27/698] gdc-6 '-Iappstream-generator@exe' '-fdiagnostics-color=always' '-I..' '-I.' '-Isource/' '-I../source/' '-Isource/bindings/auto' '-I../source/bindings/auto' '-I/usr/include/d/mustache-d/src' '-I/usr/include/d/mustache-d/src' '-Wall' '-Wdeprecated' '-Wl,--push-state,-no-as-needed -lcurl -Wl,--pop-state' '-g' '-O0' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/AppStream' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-pthread' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/librsvg-2.0' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-I/usr/include/freetype2' -o 'appstream-generator@exe/source_image.d.o' -c ../source/image.d
[28/698] gdc-6 '-Iappstream-generator@exe' '-fdiagnostics-color=always' '-I..' '-I.' '-Isource/' '-I../source/' '-Isource/bindings/auto' '-I../source/bindings/auto' '-I/usr/include/d/mustache-d/src' '-I/usr/include/d/mustache-d/src' '-Wall' '-Wdeprecated' '-Wl,--push-state,-no-as-needed -lcurl -Wl,--pop-state' '-g' '-O0' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/AppStream' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-pthread' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/librsvg-2.0' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-I/usr/include/freetype2' -o 'appstream-generator@exe/source_handlers_desktopparser.d.o' -c ../source/handlers/desktopparser.d
[29/698] gdc-6 '-Iappstream-generator@exe' '-fdiagnostics-color=always' '-I..' '-I.' '-Isource/' '-I../source/' '-Isource/bindings/auto' '-I../source/bindings/auto' '-I/usr/include/d/mustache-d/src' '-I/usr/include/d/mustache-d/src' '-Wall' '-Wdeprecated' '-Wl,--push-state,-no-as-needed -lcurl -Wl,--pop-state' '-g' '-O0' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/AppStream' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-pthread' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/librsvg-2.0' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-I/usr/include/freetype2' -o 'appstream-generator@exe/source_backends_debian_package.d.o' -c ../source/backends/debian/package.d
[30/698] gdc-6 '-Iappstream-generator@exe' '-fdiagnostics-color=always' '-I..' '-I.' '-Isource/' '-I../source/' '-Isource/bindings/auto' '-I../source/bindings/auto' '-I/usr/include/d/mustache-d/src' '-I/usr/include/d/mustache-d/src' '-Wall' '-Wdeprecated' '-Wl,--push-state,-no-as-needed -lcurl -Wl,--pop-state' '-g' '-O0' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/AppStream' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-pthread' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/librsvg-2.0' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-I/usr/include/freetype2' -o 'appstream-generator@exe/source_backends_dummy_dummypkg.d.o' -c ../source/backends/dummy/dummypkg.d
[31/698] gdc-6 '-Iappstream-generator@exe' '-fdiagnostics-color=always' '-I..' '-I.' '-Isource/' '-I../source/' '-Isource/bindings/auto' '-I../source/bindings/auto' '-I/usr/include/d/mustache-d/src' '-I/usr/include/d/mustache-d/src' '-Wall' '-Wdeprecated' '-Wl,--push-state,-no-as-needed -lcurl -Wl,--pop-state' '-g' '-O0' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/AppStream' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-pthread' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/librsvg-2.0' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-I/usr/include/freetype2' -o 'appstream-generator@exe/source_backends_debian_debpkg.d.o' -c ../source/backends/debian/debpkg.d
FAILED: appstream-generator@exe/source_backends_debian_debpkg.d.o
gdc-6 '-Iappstream-generator@exe' '-fdiagnostics-color=always' '-I..' '-I.' '-Isource/' '-I../source/' '-Isource/bindings/auto' '-I../source/bindings/auto' '-I/usr/include/d/mustache-d/src' '-I/usr/include/d/mustache-d/src' '-Wall' '-Wdeprecated' '-Wl,--push-state,-no-as-needed -lcurl -Wl,--pop-state' '-g' '-O0' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/AppStream' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-pthread' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-pthread' '-I/usr/include/librsvg-2.0' '-I/usr/include/gdk-pixbuf-2.0' '-I/usr/include/libpng16' '-I/usr/include/cairo' '-I/usr/include/glib-2.0' '-I/usr/lib/x86_64-linux-gnu/glib-2.0/include' '-I/usr/include/pixman-1' '-I/usr/include/freetype2' '-I/usr/include/libpng16' '-I/usr/include/freetype2' -o 'appstream-generator@exe/source_backends_debian_debpkg.d.o' -c ../source/backends/debian/debpkg.d
cc1d: ../../src/gcc/d/dfrontend/mangle.c:384: void Mangler::mangleFunc(FuncDeclaration*, bool): Assertion `0' failed.
[/usr/lib/gcc/x86_64-linux-gnu/6/include/d/std/range/package.d:795:6] chain (ByCodeUnitImpl _param_0, OnlyResult!(char, 1LU) _param_1, ByCodeUnitImpl _param_2)
../source/backends/debian/debpkg.d:97:22: internal compiler error: Aborted
         desc[locale] = text;
                      ^
0xad169f crash_signal
 ../../src/gcc/toplev.c:333
0x6af86e Mangler::mangleFunc(FuncDeclaration*, bool)
 ../../src/gcc/d/dfrontend/mangle.c:384
0x6ae518 mangleExact(FuncDeclaration*)
 ../../src/gcc/d/dfrontend/mangle.c:877
0x71ea95 FuncDeclaration::toSymbol()
 ../../src/gcc/d/d-decls.cc:304
0x71feeb d_decl_context(Dsymbol*)
 ../../src/gcc/d/d-codegen.cc:313
0x74dc90 TypeVisitor::visit(TypeStruct*)
 ../../src/gcc/d/types.cc:275
0x74d95d build_ctype(Type*)
 ../../src/gcc/d/types.cc:503
0x71f432 AggregateDeclaration::toInitializer()
 ../../src/gcc/d/d-decls.cc:720
0x65ac7c CallExp::semantic(Scope*)
 ../../src/gcc/d/dfrontend/expression.c:8462
0x6f4e4f ReturnStatement::semantic(Scope*)
 ../../src/gcc/d/dfrontend/statement.c:3900
0x6f25d1 CompoundStatement::semantic(Scope*)
 ../../src/gcc/d/dfrontend/statement.c:1165
0x677b74 FuncDeclaration::semantic3(Scope*)
 ../../src/gcc/d/dfrontend/func.c:1559
0x6ffc83 TemplateInstance::semantic3(Scope*)
 ../../src/gcc/d/dfrontend/template.c:7618
0x7063b2 TemplateInstance::trySemantic3(Scope*)
 ../../src/gcc/d/dfrontend/template.c:5811
0x70c8ce TemplateInstance::semantic(Scope*, Array<Expression*>*)
 ../../src/gcc/d/dfrontend/template.c:6213
0x70cd09 functionResolve(Match*, Dsymbol*, Loc, Scope*, Array<RootObject*>*, Type*, Array<Expression*>*)
 ../../src/gcc/d/dfrontend/template.c:2578
0x671329 resolveFuncCall(Loc, Scope*, Dsymbol*, Array<RootObject*>*, Type*, Array<Expression*>*, int)
 ../../src/gcc/d/dfrontend/func.c:3320
0x658512 CallExp::semantic(Scope*)
 ../../src/gcc/d/dfrontend/expression.c:8853
0x6f4e4f ReturnStatement::semantic(Scope*)
 ../../src/gcc/d/dfrontend/statement.c:3900
0x6f25d1 CompoundStatement::semantic(Scope*)
 ../../src/gcc/d/dfrontend/statement.c:1165
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: gdc-6 6.2.0-3ubuntu11
ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
Uname: Linux 4.4.0-9136-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.3-0ubuntu7
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Sep 6 16:29:51 2016
InstallationDate: Installed on 2015-06-05 (459 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150605)
SourcePackage: gcc-6
UpgradeStatus: No upgrade log present (probably fresh install)