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18da98ef99
At this point, it's clear that the MSVC mangler uses the type-as-written instead of the canonical type, so this should bring us closer to MSVC. The main thrust of this change is to fix the way we mangle decayed array parameters of function pointer parameters. With a DecayedType sugar node, this code can now be much simpler. Fixes PR16096. This also fixes a separate issue that Richard spotted in review. Because separate declarations of the same entity can be spelled and mangled differently, MSVC always mangles the earliest declaration in an attempt to avoid link errors. Clang now does the same. Reviewers: rsmith Differential Revision: http://llvm-reviews.chandlerc.com/D844 llvm-svn: 184777
207 lines
6.0 KiB
C++
207 lines
6.0 KiB
C++
// RUN: %clang_cc1 -emit-llvm %s -o - -cxx-abi microsoft -triple=i386-pc-win32 | FileCheck %s
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// RUN: %clang_cc1 -emit-llvm %s -o - -cxx-abi microsoft -triple=x86_64-pc-win32 | FileCheck -check-prefix=X64 %s
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void foo(const unsigned int) {}
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// CHECK: "\01?foo@@YAXI@Z"
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// X64: "\01?foo@@YAXI@Z"
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void foo(const double) {}
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// CHECK: "\01?foo@@YAXN@Z"
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// X64: "\01?foo@@YAXN@Z"
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void bar(const volatile double) {}
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// CHECK: "\01?bar@@YAXN@Z"
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// X64: "\01?bar@@YAXN@Z"
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void foo_pad(char * x) {}
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// CHECK: "\01?foo_pad@@YAXPAD@Z"
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// X64: "\01?foo_pad@@YAXPEAD@Z"
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void foo_pbd(const char * x) {}
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// CHECK: "\01?foo_pbd@@YAXPBD@Z"
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// X64: "\01?foo_pbd@@YAXPEBD@Z"
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void foo_pcd(volatile char * x) {}
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// CHECK: "\01?foo_pcd@@YAXPCD@Z"
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// X64: "\01?foo_pcd@@YAXPECD@Z"
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void foo_qad(char * const x) {}
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// CHECK: "\01?foo_qad@@YAXQAD@Z"
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// X64: "\01?foo_qad@@YAXQEAD@Z"
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void foo_rad(char * volatile x) {}
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// CHECK: "\01?foo_rad@@YAXRAD@Z"
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// X64: "\01?foo_rad@@YAXREAD@Z"
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void foo_sad(char * const volatile x) {}
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// CHECK: "\01?foo_sad@@YAXSAD@Z"
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// X64: "\01?foo_sad@@YAXSEAD@Z"
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void foo_papad(char ** x) {}
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// CHECK: "\01?foo_papad@@YAXPAPAD@Z"
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// X64: "\01?foo_papad@@YAXPEAPEAD@Z"
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void foo_papbd(char const ** x) {}
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// CHECK: "\01?foo_papbd@@YAXPAPBD@Z"
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// X64: "\01?foo_papbd@@YAXPEAPEBD@Z"
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void foo_papcd(char volatile ** x) {}
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// CHECK: "\01?foo_papcd@@YAXPAPCD@Z"
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// X64: "\01?foo_papcd@@YAXPEAPECD@Z"
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void foo_pbqad(char * const* x) {}
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// CHECK: "\01?foo_pbqad@@YAXPBQAD@Z"
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// X64: "\01?foo_pbqad@@YAXPEBQEAD@Z"
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void foo_pcrad(char * volatile* x) {}
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// CHECK: "\01?foo_pcrad@@YAXPCRAD@Z"
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// X64: "\01?foo_pcrad@@YAXPECREAD@Z"
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void foo_qapad(char ** const x) {}
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// CHECK: "\01?foo_qapad@@YAXQAPAD@Z"
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// X64: "\01?foo_qapad@@YAXQEAPEAD@Z"
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void foo_rapad(char ** volatile x) {}
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// CHECK: "\01?foo_rapad@@YAXRAPAD@Z"
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// X64: "\01?foo_rapad@@YAXREAPEAD@Z"
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void foo_pbqbd(const char * const* x) {}
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// CHECK: "\01?foo_pbqbd@@YAXPBQBD@Z"
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// X64: "\01?foo_pbqbd@@YAXPEBQEBD@Z"
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void foo_pbqcd(volatile char * const* x) {}
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// CHECK: "\01?foo_pbqcd@@YAXPBQCD@Z"
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// X64: "\01?foo_pbqcd@@YAXPEBQECD@Z"
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void foo_pcrbd(const char * volatile* x) {}
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// CHECK: "\01?foo_pcrbd@@YAXPCRBD@Z"
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// X64: "\01?foo_pcrbd@@YAXPECREBD@Z"
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void foo_pcrcd(volatile char * volatile* x) {}
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// CHECK: "\01?foo_pcrcd@@YAXPCRCD@Z"
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// X64: "\01?foo_pcrcd@@YAXPECRECD@Z"
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void foo_aad(char &x) {}
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// CHECK: "\01?foo_aad@@YAXAAD@Z"
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// X64: "\01?foo_aad@@YAXAEAD@Z"
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void foo_abd(const char &x) {}
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// CHECK: "\01?foo_abd@@YAXABD@Z"
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// X64: "\01?foo_abd@@YAXAEBD@Z"
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void foo_aapad(char *&x) {}
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// CHECK: "\01?foo_aapad@@YAXAAPAD@Z"
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// X64: "\01?foo_aapad@@YAXAEAPEAD@Z"
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void foo_aapbd(const char *&x) {}
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// CHECK: "\01?foo_aapbd@@YAXAAPBD@Z"
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// X64: "\01?foo_aapbd@@YAXAEAPEBD@Z"
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void foo_abqad(char * const &x) {}
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// CHECK: "\01?foo_abqad@@YAXABQAD@Z"
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// X64: "\01?foo_abqad@@YAXAEBQEAD@Z"
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void foo_abqbd(const char * const &x) {}
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// CHECK: "\01?foo_abqbd@@YAXABQBD@Z"
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// X64: "\01?foo_abqbd@@YAXAEBQEBD@Z"
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void foo_aay144h(int (&x)[5][5]) {}
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// CHECK: "\01?foo_aay144h@@YAXAAY144H@Z"
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// X64: "\01?foo_aay144h@@YAXAEAY144H@Z"
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void foo_aay144cbh(const int (&x)[5][5]) {}
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// CHECK: "\01?foo_aay144cbh@@YAXAAY144$$CBH@Z"
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// X64: "\01?foo_aay144cbh@@YAXAEAY144$$CBH@Z"
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void foo_qay144h(int (&&x)[5][5]) {}
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// CHECK: "\01?foo_qay144h@@YAX$$QAY144H@Z"
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// X64: "\01?foo_qay144h@@YAX$$QEAY144H@Z"
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void foo_qay144cbh(const int (&&x)[5][5]) {}
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// CHECK: "\01?foo_qay144cbh@@YAX$$QAY144$$CBH@Z"
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// X64: "\01?foo_qay144cbh@@YAX$$QEAY144$$CBH@Z"
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void foo_p6ahxz(int x()) {}
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// CHECK: "\01?foo_p6ahxz@@YAXP6AHXZ@Z"
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// X64: "\01?foo_p6ahxz@@YAXP6AHXZ@Z"
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void foo_a6ahxz(int (&x)()) {}
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// CHECK: "\01?foo_a6ahxz@@YAXA6AHXZ@Z"
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// X64: "\01?foo_a6ahxz@@YAXA6AHXZ@Z"
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void foo_q6ahxz(int (&&x)()) {}
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// CHECK: "\01?foo_q6ahxz@@YAX$$Q6AHXZ@Z"
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// X64: "\01?foo_q6ahxz@@YAX$$Q6AHXZ@Z"
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void foo_qay04h(int x[5][5]) {}
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// CHECK: "\01?foo_qay04h@@YAXQAY04H@Z"
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// X64: "\01?foo_qay04h@@YAXQEAY04H@Z"
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void foo_qay04cbh(const int x[5][5]) {}
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// CHECK: "\01?foo_qay04cbh@@YAXQAY04$$CBH@Z"
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// X64: "\01?foo_qay04cbh@@YAXQEAY04$$CBH@Z"
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typedef double Vector[3];
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void foo(Vector*) {}
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// CHECK: "\01?foo@@YAXPAY02N@Z"
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// X64: "\01?foo@@YAXPEAY02N@Z"
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void foo(Vector) {}
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// CHECK: "\01?foo@@YAXQAN@Z"
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// X64: "\01?foo@@YAXQEAN@Z"
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void foo_const(const Vector) {}
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// CHECK: "\01?foo_const@@YAXQBN@Z"
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// X64: "\01?foo_const@@YAXQEBN@Z"
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void foo_volatile(volatile Vector) {}
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// CHECK: "\01?foo_volatile@@YAXQCN@Z"
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// X64: "\01?foo_volatile@@YAXQECN@Z"
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void foo(Vector*, const Vector, const double) {}
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// CHECK: "\01?foo@@YAXPAY02NQBNN@Z"
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// X64: "\01?foo@@YAXPEAY02NQEBNN@Z"
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typedef void (*ConstFunPtr)(int *const d);
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void foo_fnptrconst(ConstFunPtr f) { }
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// CHECK: "\01?foo_fnptrconst@@YAXP6AXQAH@Z@Z"
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// X64: "\01?foo_fnptrconst@@YAXP6AXQEAH@Z@Z"
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typedef void (*ArrayFunPtr)(int d[1]);
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void foo_fnptrarray(ArrayFunPtr f) { }
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// CHECK: "\01?foo_fnptrarray@@YAXP6AXQAH@Z@Z"
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// X64: "\01?foo_fnptrarray@@YAXP6AXQEAH@Z@Z"
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void foo_fnptrbackref1(ArrayFunPtr f1, ArrayFunPtr f2) { }
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// CHECK: "\01?foo_fnptrbackref1@@YAXP6AXQAH@Z1@Z"
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// X64: "\01?foo_fnptrbackref1@@YAXP6AXQEAH@Z1@Z"
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void foo_fnptrbackref2(ArrayFunPtr f1, ConstFunPtr f2) { }
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// CHECK: "\01?foo_fnptrbackref2@@YAXP6AXQAH@Z1@Z"
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// X64: "\01?foo_fnptrbackref2@@YAXP6AXQEAH@Z1@Z"
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typedef void (*NormalFunPtr)(int *d);
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void foo_fnptrbackref3(ArrayFunPtr f1, NormalFunPtr f2) { }
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// CHECK: "\01?foo_fnptrbackref3@@YAXP6AXQAH@Z1@Z"
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// X64: "\01?foo_fnptrbackref3@@YAXP6AXQEAH@Z1@Z"
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void foo_fnptrbackref4(NormalFunPtr f1, ArrayFunPtr f2) { }
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// CHECK: "\01?foo_fnptrbackref4@@YAXP6AXPAH@Z1@Z"
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// X64: "\01?foo_fnptrbackref4@@YAXP6AXPEAH@Z1@Z"
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ArrayFunPtr ret_fnptrarray() { return 0; }
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// CHECK: "\01?ret_fnptrarray@@YAP6AXQAH@ZXZ"
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// X64: "\01?ret_fnptrarray@@YAP6AXQEAH@ZXZ"
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// Test that we mangle the forward decl when we have a redeclaration with a
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// slightly different type.
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void mangle_fwd(char * const x);
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void mangle_fwd(char * x) {}
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// CHECK: "\01?mangle_fwd@@YAXQAD@Z"
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// X64: "\01?mangle_fwd@@YAXQEAD@Z"
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void mangle_no_fwd(char * x) {}
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// CHECK: "\01?mangle_no_fwd@@YAXPAD@Z"
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// X64: "\01?mangle_no_fwd@@YAXPEAD@Z"
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