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// REQUIRES: asserts, riscv-registered-target
// Should trigger GenerateVarArgsThunk.
// RUN: %clang_cc1 -O0 -triple riscv64-linux-gnu -debug-info-kind=limited -emit-llvm %s -o - | \
// RUN: FileCheck %s
// RUN: %clang_cc1 -O0 -triple riscv64-linux-gnu -debug-info-kind=limited -emit-obj %s -o - | \
// RUN: llvm-dwarfdump --verify -
// This test checks that clang doesn't crash when creating a varargs thunk
// by cloning a function which DILocalVariable types are unresolved at cloning
// time.
// In such case, as a workaround, instead of cloning unresolved types for
// the thunk, clang produces thunk DILocalVariables that refer to local
// types from the original DISubprogram.
typedef signed char __int8_t;
typedef int BOOL;
class CMsgAgent;
class CFs {
public:
typedef enum {} CACHE_HINT;
virtual BOOL ReqCacheHint( CMsgAgent* p_ma, CACHE_HINT hint, ... ) ;
};
typedef struct {} _Lldiv_t;
class CBdVfs {
public:
virtual ~CBdVfs( ) {}
};
class CBdVfsImpl : public CBdVfs, public CFs {
BOOL ReqCacheHint( CMsgAgent* p_ma, CACHE_HINT hint, ... );
};
BOOL CBdVfsImpl::ReqCacheHint( CMsgAgent* p_ma, CACHE_HINT hint, ... ) {
// Complete enum with no defintion. Clang allows to declare variables of
// such type.
enum class E : int;
E enum_var;
// Structure has forward declaration. DIDerivedType which is a pointer
// to it is unresolved during debug info generation for the function.
struct LocalStruct;
LocalStruct *struct_var;
struct GlobalStruct {};
return true;
}
// Check that thunk is emitted.
// CHECK: define {{.*}} @_ZThn{{[48]}}_N10CBdVfsImpl12ReqCacheHintEP9CMsgAgentN3CFs10CACHE_HINTEz(
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