test/Parser/nested_blocks_overflow.cpp

// RUN: %clang %s -fsyntax-only -fblocks -fbracket-depth=512
// RUN: not %clang %s -fsyntax-only -fblocks -fbracket-depth=512 -DFAIL 2>&1 | FileCheck %s

template <class T> int foo(T &&t);

void bar(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(
^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(

^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(^(int x = foo(

#ifdef FAIL
^(int x = foo(
#endif

^(int x = foo(1)){}

#ifdef FAIL
)){}
#endif

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));

// CHECK: fatal error: function scope depth exceeded maximum of 127