File: implicit-builtin-redecl.c

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llvm-toolchain-17 1%3A17.0.6-22
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// RUN: %clang_cc1 -fsyntax-only -verify %s

// PR3592
static void* malloc(int);
static void* malloc(int size) {
  return ((void*)0); /*do not use heap in this file*/
}

void *calloc(int, int, int); // expected-warning{{incompatible redeclaration of library function 'calloc'}} \
// expected-note{{'calloc' is a builtin with type 'void *}}

void f1(void) { 
  calloc(0, 0, 0);
}

void f2(void) {
  int index = 1;
}

static int index;

int f3(void) {
  return index << 2;
}

typedef int rindex;