https://issues.dlang.org/show_bug.cgi?id=14240

          Issue ID: 14240
           Summary: Segfault while compiling templated code
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: DMD
          Assignee: nobody@puremagic.com
          Reporter: lord_sigma@live.de

Created attachment 1479
  --> https://issues.dlang.org/attachment.cgi?id=1479&action=edit
GDB's backtrace

Dustmited source:
-----
// A.d
struct C(string E ) {}

import std.typetuple;

alias I = TypeTuple!(C!K);

enum K = M;
-----
DMD version 2.066 and git crash on my system whenever I try to run dmd A.d .

GDB's backtrace:

#0  0x00000000004713da in ctfeInterpret(Expression*) ()
#1  0x000000000044e4b9 in TemplateValueParameter::matchArg(Scope*, RootObject*,
unsigned long, Array<TemplateParameter*>*, Array<RootObject*>*, Declaration**)
()
#2  0x000000000045715e in TemplateDeclaration::matchWithInstance(Scope*,
TemplateInstance*, Array<RootObject*>*, Array<Expression*>*, int) ()
#3  0x000000000045784d in TemplateInstance::findBestMatch(Scope*,
Array<Expression*>*)::ParamBest::fp(void*, Dsymbol*) ()
#4  0x00000000004f2ce6 in overloadApply(Dsymbol*, void*, int (*)(void*,
Dsymbol*)) ()
#5  0x0000000000457c97 in TemplateInstance::findBestMatch(Scope*,
Array<Expression*>*) ()
#6  0x000000000045c7b9 in TemplateInstance::semantic(Scope*,
Array<Expression*>*) ()
#7  0x0000000000419c54 in TypeInstance::resolve(Loc, Scope*, Expression**,
Type**, Dsymbol**, bool) ()
#8  0x0000000000455ea0 in TemplateInstance::semanticTiargs(Loc, Scope*,
Array<RootObject*>*, int) ()
#9  0x0000000000456a2e in TemplateInstance::semanticTiargs(Scope*) [clone
.part.55] ()
#10 0x000000000045ca1b in TemplateInstance::semantic(Scope*,
Array<Expression*>*) ()
#11 0x0000000000419c54 in TypeInstance::resolve(Loc, Scope*, Expression**,
Type**, Dsymbol**, bool) ()
#12 0x0000000000409f4d in TypeInstance::toDsymbol(Scope*) ()
#13 0x00000000004c126e in AliasDeclaration::semantic(Scope*) ()
#14 0x0000000000407c65 in Module::semantic() ()
#15 0x0000000000404e5c in tryMain(unsigned long, char const**) ()
#16 0x00007ffff7015ab5 in __libc_start_main () from /lib64/libc.so.6
#17 0x0000000000402cf5 in _start ()

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