lldb/test/Shell/Expr/TestObjCIncompleteSuperclass.test

# In this test we compile with -gmodules but delete the ModuleCache.
# When LLDB tries to find a definition for NSObject (the Foo's super-class)
# it will fail to do so. LLDB should handle this situation gracefully.
# A super-class definition is required when laying out Obj-C types.
#
# REQUIRES: system-darwin
#
# RUN: split-file %s %t
#
# RUN: %clang_host %t/main.m -c -g -gmodules -fmodules -fcxx-modules \
# RUN:             -fmodule-map-file=%t/module.modulemap \
# RUN:             -fmodules-cache-path=%t/ModuleCache -o %t/main.o
#
# RUN: %clang_host %t/module.m -c -g -gmodules -fmodules -fcxx-modules \
# RUN:             -fmodule-map-file=%t/module.modulemap \
# RUN:             -fmodules-cache-path=%t/ModuleCache -o %t/module.o
#
# RUN: %clang_host %t/*.o -framework Foundation -o %t.out
#
# RUN: rm -r %t/ModuleCache
#
# RUN: %lldb -x -o "settings set interpreter.stop-command-source-on-error false" \
# RUN:       -s %t/commands.input %t.out -o exit 2>&1 | FileCheck %s

#--- main.m
@import foo;

int main() {
    Foo *f = [Foo new];

    __builtin_debugtrap();
}

#--- module.m

#import "module.h"

@implementation Foo
@end

#--- module.h

#import <Foundation/Foundation.h>

@interface Foo : NSObject
@end

#--- module.modulemap
module foo {
  header "module.h"
  export *
}

#--- commands.input

run
expression *f

# CHECK: (lldb) expression *f