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// RUN: %clang_cc1 -fsyntax-only -verify=pre-c2x-cpp23 %s
// RUN: %clang_cc1 -fsyntax-only -Wno-unknown-directives -verify=okay %s
// RUN: %clang_cc1 -std=c2x -fsyntax-only -verify=c2x-cpp23 %s
// RUN: %clang_cc1 -x c++ -std=c++23 -fsyntax-only -verify=c2x-cpp23 %s
// RUN: %clang_cc1 -x c++ -std=c++23 -fsyntax-only %s -fdiagnostics-parseable-fixits 2>&1 | FileCheck %s
// okay-no-diagnostics
// id: pre-c2x-cpp23-warning@+12 {{invalid preprocessing directive, did you mean '#if'?}}
// ifd: pre-c2x-cpp23-warning@+12 {{invalid preprocessing directive, did you mean '#if'?}}
// ifde: pre-c2x-cpp23-warning@+12 {{invalid preprocessing directive, did you mean '#ifdef'?}}
// elf: pre-c2x-cpp23-warning@+12 {{invalid preprocessing directive, did you mean '#elif'?}}
// elsif: pre-c2x-cpp23-warning@+12 {{invalid preprocessing directive, did you mean '#elif'?}}
// elseif: pre-c2x-cpp23-warning@+12 {{invalid preprocessing directive, did you mean '#elif'?}}
// elfidef: not suggested to '#elifdef'
// elfindef: not suggested to '#elifdef'
// elfinndef: not suggested to '#elifndef'
// els: pre-c2x-cpp23-warning@+12 {{invalid preprocessing directive, did you mean '#else'?}}
// endi: pre-c2x-cpp23-warning@+12 {{invalid preprocessing directive, did you mean '#endif'?}}
#ifdef UNDEFINED
#id
#ifd
#ifde
# elf
# elsif
#elseif
#elfidef
#elfindef
#elfinndef
#els
#endi
#endif
// id: c2x-cpp23-warning@-12 {{invalid preprocessing directive, did you mean '#if'?}}
// ifd: c2x-cpp23-warning@-12 {{invalid preprocessing directive, did you mean '#if'?}}
// ifde: c2x-cpp23-warning@-12 {{invalid preprocessing directive, did you mean '#ifdef'?}}
// elf: c2x-cpp23-warning@-12 {{invalid preprocessing directive, did you mean '#elif'?}}
// elsif: c2x-cpp23-warning@-12 {{invalid preprocessing directive, did you mean '#elif'?}}
// elseif: c2x-cpp23-warning@-12 {{invalid preprocessing directive, did you mean '#elif'?}}
// elfidef: c2x-cpp23-warning@-12 {{invalid preprocessing directive, did you mean '#elifdef'?}}
// elfindef: c2x-cpp23-warning@-12 {{invalid preprocessing directive, did you mean '#elifdef'?}}
// elfinndef: c2x-cpp23-warning@-12 {{invalid preprocessing directive, did you mean '#elifndef'?}}
// els: c2x-cpp23-warning@-12 {{invalid preprocessing directive, did you mean '#else'?}}
// endi: c2x-cpp23-warning@-12 {{invalid preprocessing directive, did you mean '#endif'?}}
// CHECK: fix-it:{{.*}}:{[[@LINE-24]]:2-[[@LINE-24]]:4}:"if"
// CHECK: fix-it:{{.*}}:{[[@LINE-24]]:2-[[@LINE-24]]:5}:"if"
// CHECK: fix-it:{{.*}}:{[[@LINE-24]]:2-[[@LINE-24]]:6}:"ifdef"
// CHECK: fix-it:{{.*}}:{[[@LINE-24]]:3-[[@LINE-24]]:6}:"elif"
// CHECK: fix-it:{{.*}}:{[[@LINE-24]]:4-[[@LINE-24]]:9}:"elif"
// CHECK: fix-it:{{.*}}:{[[@LINE-24]]:2-[[@LINE-24]]:8}:"elif"
// CHECK: fix-it:{{.*}}:{[[@LINE-24]]:2-[[@LINE-24]]:9}:"elifdef"
// CHECK: fix-it:{{.*}}:{[[@LINE-24]]:2-[[@LINE-24]]:10}:"elifdef"
// CHECK: fix-it:{{.*}}:{[[@LINE-24]]:2-[[@LINE-24]]:11}:"elifndef"
// CHECK: fix-it:{{.*}}:{[[@LINE-24]]:2-[[@LINE-24]]:5}:"else"
// CHECK: fix-it:{{.*}}:{[[@LINE-24]]:2-[[@LINE-24]]:6}:"endif"
#ifdef UNDEFINED
#i // no diagnostic
#endif
#if special_compiler
#special_compiler_directive // no diagnostic
#endif
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