0279375836
if the merged definition is visible, and perform lookups into all merged copies of the definition (not just for special members) so that we can complete the redecl chains for members of the class. llvm-svn: 233420
197 lines
8.7 KiB
C++
197 lines
8.7 KiB
C++
// RUN: rm -rf %t
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// RUN: not %clang_cc1 -x objective-c++ -fmodules -fno-modules-error-recovery -fmodules-cache-path=%t -I %S/Inputs %s -std=c++11 -ast-dump-lookups | FileCheck %s --check-prefix=CHECK-GLOBAL
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// RUN: not %clang_cc1 -x objective-c++ -fmodules -fno-modules-error-recovery -fmodules-cache-path=%t -I %S/Inputs %s -std=c++11 -ast-dump-lookups -ast-dump-filter N | FileCheck %s --check-prefix=CHECK-NAMESPACE-N
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// RUN: not %clang_cc1 -x objective-c++ -fmodules -fno-modules-error-recovery -fmodules-cache-path=%t -I %S/Inputs %s -std=c++11 -ast-dump -ast-dump-filter SomeTemplate | FileCheck %s --check-prefix=CHECK-DUMP
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// RUN: %clang_cc1 -x objective-c++ -fmodules -fno-modules-error-recovery -fmodules-cache-path=%t -I %S/Inputs %s -verify -std=c++11
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// RUN: %clang_cc1 -x objective-c++ -fmodules -fno-modules-error-recovery -fmodules-cache-path=%t -I %S/Inputs %s -verify -std=c++11 -DEARLY_IMPORT
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#ifdef EARLY_IMPORT
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#include "cxx-templates-textual.h"
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#endif
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@import cxx_templates_a;
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@import cxx_templates_b;
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@import cxx_templates_c;
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@import cxx_templates_d;
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@import cxx_templates_common;
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template<typename, char> struct Tmpl_T_C {};
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template<typename, int, int> struct Tmpl_T_I_I {};
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template<typename A, typename B, A> struct Tmpl_T_T_A {};
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template<typename A, typename B, B> struct Tmpl_T_T_B {};
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template<int> struct UseInt {};
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void g() {
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f(0);
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f<double>(1.0);
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f<int>();
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f(); // expected-error {{no matching function}}
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// expected-note@Inputs/cxx-templates-b.h:3 {{couldn't infer template argument}}
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// expected-note@Inputs/cxx-templates-b.h:4 {{requires single argument}}
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N::f(0);
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N::f<double>(1.0);
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N::f<int>();
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N::f(); // expected-error {{no matching function}}
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// expected-note@Inputs/cxx-templates-b.h:6 {{couldn't infer template argument}}
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// expected-note@Inputs/cxx-templates-b.h:7 {{requires single argument}}
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template_param_kinds_1<0>(); // ok, from cxx-templates-a.h
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template_param_kinds_1<int>(); // ok, from cxx-templates-b.h
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template_param_kinds_2<Tmpl_T_C>(); // expected-error {{no matching function}}
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// expected-note@Inputs/cxx-templates-a.h:11 {{invalid explicitly-specified argument}}
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// expected-note@Inputs/cxx-templates-b.h:11 {{invalid explicitly-specified argument}}
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template_param_kinds_2<Tmpl_T_I_I>(); // expected-error {{ambiguous}}
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// expected-note@Inputs/cxx-templates-a.h:11 {{candidate}}
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// expected-note@Inputs/cxx-templates-b.h:11 {{candidate}}
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// FIXME: This should be valid, but we incorrectly match the template template
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// argument against both template template parameters.
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template_param_kinds_3<Tmpl_T_T_A>(); // expected-error {{ambiguous}}
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// expected-note@Inputs/cxx-templates-a.h:12 {{candidate}}
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// expected-note@Inputs/cxx-templates-b.h:12 {{candidate}}
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template_param_kinds_3<Tmpl_T_T_B>(); // expected-error {{ambiguous}}
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// expected-note@Inputs/cxx-templates-a.h:12 {{candidate}}
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// expected-note@Inputs/cxx-templates-b.h:12 {{candidate}}
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// Trigger the instantiation of a template in 'a' that uses a type defined in
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// 'common'. That type is not visible here.
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PerformDelayedLookup(defined_in_common);
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// Likewise, but via a default argument.
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PerformDelayedLookupInDefaultArgument(defined_in_common);
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// Trigger the instantiation of a template in 'b' that uses a type defined in
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// 'b_impl'. That type is not visible here.
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UseDefinedInBImpl<int>();
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// Trigger the instantiation of a template in 'a' that uses a type defined in
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// 'b_impl', via a template defined in 'b'. Since the type is visible from
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// within 'b', the instantiation succeeds.
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UseDefinedInBImplIndirectly(defined_in_b_impl);
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// Trigger the instantiation of a template in 'a' that uses a type defined in
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// 'b_impl'. That type is not visible here, nor in 'a'. This fails; there is
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// no reason why DefinedInBImpl should be visible here.
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//
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// We turn off error recovery for modules in this test (so we don't get an
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// implicit import of cxx_templates_b_impl), and that results in us producing
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// a big spew of errors here.
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//
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// expected-error@Inputs/cxx-templates-a.h:19 {{definition of 'DefinedInBImpl' must be imported}}
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// expected-note@Inputs/cxx-templates-b-impl.h:1 +{{definition is here}}
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// expected-error@Inputs/cxx-templates-a.h:19 +{{}}
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// expected-error@Inputs/cxx-templates-a.h:20 +{{}}
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PerformDelayedLookup(defined_in_b_impl); // expected-note {{in instantiation of}}
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merge_templates_a = merge_templates_b; // ok, same type
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using T = decltype(enum_a_from_a);
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using T = decltype(enum_b_from_b);
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T e = true ? enum_a_from_a : enum_b_from_b;
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UseRedeclaredEnum<int>(UseInt<1>());
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// FIXME: Reintroduce this once we merge function template specializations.
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//static_assert(UseRedeclaredEnumA == UseRedeclaredEnumB, "");
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//static_assert(UseRedeclaredEnumA == UseRedeclaredEnum<int>, "");
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//static_assert(UseRedeclaredEnumB == UseRedeclaredEnum<int>, "");
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static_assert(enum_c_from_a == enum_c_from_b, "");
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CommonTemplate<int> cti;
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CommonTemplate<int>::E eee = CommonTemplate<int>::c;
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TemplateInstantiationVisibility<char[1]> tiv1;
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TemplateInstantiationVisibility<char[2]> tiv2;
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TemplateInstantiationVisibility<char[3]> tiv3; // expected-error {{must be imported from module 'cxx_templates_b_impl'}}
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// expected-note@cxx-templates-b-impl.h:10 {{previous definition is here}}
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TemplateInstantiationVisibility<char[4]> tiv4;
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int &p = WithPartialSpecializationUse().f();
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int &q = WithExplicitSpecializationUse().inner_template<int>();
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int *r = PartiallyInstantiatePartialSpec<int*>::bar();
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(void)&WithImplicitSpecialMembers<int>::n;
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MergeClassTemplateSpecializations_string s;
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extern TestInjectedClassName::A *use_a;
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extern TestInjectedClassName::C *use_c;
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TestInjectedClassName::UseD();
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}
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static_assert(Outer<int>::Inner<int>::f() == 1, "");
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static_assert(Outer<int>::Inner<int>::g() == 2, "");
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static_assert(MergeTemplateDefinitions<int>::f() == 1, "");
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static_assert(MergeTemplateDefinitions<int>::g() == 2, "");
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RedeclaredAsFriend<int> raf1;
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RedeclareTemplateAsFriend<double> rtaf;
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RedeclaredAsFriend<double> raf2;
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MergeSpecializations<int*>::partially_specialized_in_a spec_in_a_1;
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MergeSpecializations<int&>::partially_specialized_in_b spec_in_b_1;
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MergeSpecializations<int[]>::partially_specialized_in_c spec_in_c_1;
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MergeSpecializations<char>::explicitly_specialized_in_a spec_in_a_2;
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MergeSpecializations<double>::explicitly_specialized_in_b spec_in_b_2;
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MergeSpecializations<bool>::explicitly_specialized_in_c spec_in_c_2;
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MergeAnonUnionMember<> maum_main;
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typedef DontWalkPreviousDeclAfterMerging<int> dwpdam_typedef_2;
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dwpdam_typedef::type dwpdam_typedef_use;
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DontWalkPreviousDeclAfterMerging<int>::Inner::type dwpdam;
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using AliasTemplateMergingTest = WithAliasTemplate<int>::X<char>;
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int AnonymousDeclsMergingTest(WithAnonymousDecls<int> WAD, WithAnonymousDecls<char> WADC) {
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return InstantiateWithAnonymousDeclsA(WAD) +
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InstantiateWithAnonymousDeclsB(WAD) +
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InstantiateWithAnonymousDeclsB2(WADC) +
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InstantiateWithAnonymousDeclsD(WADC);
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}
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@import cxx_templates_common;
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typedef SomeTemplate<int*> SomeTemplateIntPtr;
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typedef SomeTemplate<int&> SomeTemplateIntRef;
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SomeTemplate<char*> some_template_char_ptr;
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SomeTemplate<char&> some_template_char_ref;
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void testImplicitSpecialMembers(SomeTemplate<char[1]> &a,
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const SomeTemplate<char[1]> &b,
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SomeTemplate<char[2]> &c,
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const SomeTemplate<char[2]> &d) {
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a = b;
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c = d;
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}
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bool testFriendInClassTemplate(Std::WithFriend<int> wfi) {
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return wfi != wfi;
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}
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namespace Std {
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void g(); // expected-error {{functions that differ only in their return type cannot be overloaded}}
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// expected-note@cxx-templates-common.h:21 {{previous}}
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}
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// CHECK-GLOBAL: DeclarationName 'f'
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// CHECK-GLOBAL-NEXT: |-FunctionTemplate {{.*}} 'f'
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// CHECK-GLOBAL-NEXT: `-FunctionTemplate {{.*}} 'f'
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// CHECK-NAMESPACE-N: DeclarationName 'f'
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// CHECK-NAMESPACE-N-NEXT: |-FunctionTemplate {{.*}} 'f'
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// CHECK-NAMESPACE-N-NEXT: `-FunctionTemplate {{.*}} 'f'
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// CHECK-DUMP: ClassTemplateDecl {{.*}} <{{.*[/\\]}}cxx-templates-common.h:1:1, {{.*}}> col:{{.*}} in cxx_templates_common SomeTemplate
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// CHECK-DUMP: ClassTemplateSpecializationDecl {{.*}} prev {{.*}} SomeTemplate
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// CHECK-DUMP-NEXT: TemplateArgument type 'char [2]'
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// CHECK-DUMP: ClassTemplateSpecializationDecl {{.*}} SomeTemplate definition
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// CHECK-DUMP-NEXT: TemplateArgument type 'char [2]'
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// CHECK-DUMP: ClassTemplateSpecializationDecl {{.*}} prev {{.*}} SomeTemplate
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// CHECK-DUMP-NEXT: TemplateArgument type 'char [1]'
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// CHECK-DUMP: ClassTemplateSpecializationDecl {{.*}} SomeTemplate definition
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// CHECK-DUMP-NEXT: TemplateArgument type 'char [1]'
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