TranslationUnitDecl 0x7fbb7203ac08 <<invalid sloc>> <invalid sloc>
|-TypedefDecl 0x7fbb7203b4d8 <<invalid sloc>> <invalid sloc> implicit __int128_t '__int128'
| `-BuiltinType 0x7fbb7203b1a0 '__int128'
|-TypedefDecl 0x7fbb7203b548 <<invalid sloc>> <invalid sloc> implicit __uint128_t 'unsigned __int128'
| `-BuiltinType 0x7fbb7203b1c0 'unsigned __int128'
|-TypedefDecl 0x7fbb7203b868 <<invalid sloc>> <invalid sloc> implicit __NSConstantString 'struct __NSConstantString_tag'
| `-RecordType 0x7fbb7203b620 'struct __NSConstantString_tag'
|   `-Record 0x7fbb7203b5a0 '__NSConstantString_tag'
|-TypedefDecl 0x7fbb7203b910 <<invalid sloc>> <invalid sloc> implicit __builtin_ms_va_list 'char *'
| `-PointerType 0x7fbb7203b8c0 'char *'
|   `-BuiltinType 0x7fbb7203aca0 'char'
|-TypedefDecl 0x7fbb72076620 <<invalid sloc>> <invalid sloc> implicit __builtin_va_list 'struct __va_list_tag [1]'
| `-ConstantArrayType 0x7fbb7203bbb0 'struct __va_list_tag [1]' 1 
|   `-RecordType 0x7fbb7203b9f0 'struct __va_list_tag'
|     `-Record 0x7fbb7203b968 '__va_list_tag'
|-FunctionDecl 0x7fbb72076740 <test.c:2:1, col:16> col:6 used func1 'void (void)'
|-FunctionDecl 0x7fbb720768c0 <line:3:1, col:16> col:6 used func2 'void (void)'
`-FunctionDecl 0x7fbb72076a40 <line:5:1, line:17:1> line:5:6 func 'void (int)'
  |-ParmVarDecl 0x7fbb72076978 <col:11, col:15> col:15 used expr 'int'
  `-CompoundStmt 0x7fbb72076d98 <line:6:1, line:17:1>
    |-SwitchStmt 0x7fbb72076b20 <line:7:3, line:15:3>
    | |-ImplicitCastExpr 0x7fbb72076b08 <line:7:10> 'int' <LValueToRValue>
    | | `-DeclRefExpr 0x7fbb72076ae8 <col:10> 'int' lvalue ParmVar 0x7fbb72076978 'expr' 'int'
    | `-CompoundStmt 0x7fbb72076d50 <col:15, line:15:3>
    |   |-CaseStmt 0x7fbb72076b78 <line:8:3, line:9:11>
    |   | |-ConstantExpr 0x7fbb72076b60 <line:8:8> 'int'
    |   | | `-IntegerLiteral 0x7fbb72076b40 <col:8> 'int' 1
    |   | `-CallExpr 0x7fbb72076c10 <line:9:5, col:11> 'void'
    |   |   `-ImplicitCastExpr 0x7fbb72076bf8 <col:5> 'void (*)(void)' <FunctionToPointerDecay>
    |   |     `-DeclRefExpr 0x7fbb72076ba0 <col:5> 'void (void)' Function 0x7fbb72076740 'func1' 'void (void)'
    |   |-CallExpr 0x7fbb72076c68 <line:10:5, col:11> 'void'
    |   | `-ImplicitCastExpr 0x7fbb72076c50 <col:5> 'void (*)(void)' <FunctionToPointerDecay>
    |   |   `-DeclRefExpr 0x7fbb72076c30 <col:5> 'void (void)' Function 0x7fbb720768c0 'func2' 'void (void)'
    |   |-BreakStmt 0x7fbb72076c88 <line:11:5>
    |   |-CaseStmt 0x7fbb72076cc8 <line:12:3, line:13:11>
    |   | |-ConstantExpr 0x7fbb72076cb0 <line:12:8> 'int'
    |   | | `-IntegerLiteral 0x7fbb72076c90 <col:8> 'int' 2
    |   | `-CallExpr 0x7fbb72076d28 <line:13:5, col:11> 'void'
    |   |   `-ImplicitCastExpr 0x7fbb72076d10 <col:5> 'void (*)(void)' <FunctionToPointerDecay>
    |   |     `-DeclRefExpr 0x7fbb72076cf0 <col:5> 'void (void)' Function 0x7fbb72076740 'func1' 'void (void)'
    |   `-BreakStmt 0x7fbb72076d48 <line:14:5>
    `-ReturnStmt 0x7fbb72076d88 <line:16:3>