modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr20527-1.c (about) 1 /* PR rtl-optimization/20527 2 Mishandled postincrement. This test-case is derived from the 3 function BZ2_hbCreateDecodeTables in the file huffman.c from 4 bzip2-1.0.2, hence requiring the following disclaimer copied here: */ 5 6 /*-- 7 This file is a part of bzip2 and/or libbzip2, a program and 8 library for lossless, block-sorting data compression. 9 10 Copyright (C) 1996-2002 Julian R Seward. All rights reserved. 11 12 Redistribution and use in source and binary forms, with or without 13 modification, are permitted provided that the following conditions 14 are met: 15 16 1. Redistributions of source code must retain the above copyright 17 notice, this list of conditions and the following disclaimer. 18 19 2. The origin of this software must not be misrepresented; you must 20 not claim that you wrote the original software. If you use this 21 software in a product, an acknowledgment in the product 22 documentation would be appreciated but is not required. 23 24 3. Altered source versions must be plainly marked as such, and must 25 not be misrepresented as being the original software. 26 27 4. The name of the author may not be used to endorse or promote 28 products derived from this software without specific prior written 29 permission. 30 31 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 32 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 33 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 34 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 35 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 37 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 38 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 39 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 40 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 41 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 42 43 Julian Seward, Cambridge, UK. 44 jseward@acm.org 45 bzip2/libbzip2 version 1.0 of 21 March 2000 46 47 This program is based on (at least) the work of: 48 Mike Burrows 49 David Wheeler 50 Peter Fenwick 51 Alistair Moffat 52 Radford Neal 53 Ian H. Witten 54 Robert Sedgewick 55 Jon L. Bentley 56 57 For more information on these sources, see the manual. 58 --*/ 59 60 void f (long *limit, long *base, long minLen, long maxLen) __attribute__ ((__noinline__)); 61 void f (long *limit, long *base, long minLen, long maxLen) 62 { 63 long i; 64 long vec; 65 vec = 0; 66 for (i = minLen; i <= maxLen; i++) { 67 vec += (base[i+1] - base[i]); 68 limit[i] = vec-1; 69 } 70 } 71 extern void abort (void); 72 extern void exit (int); 73 long b[] = {1, 5, 11, 23}; 74 int main (void) 75 { 76 long l[3]; 77 f (l, b, 0, 2); 78 if (l[0] != 3 || l[1] != 9 || l[2] != 21) 79 abort (); 80 exit (0); 81 }