Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/tree-ssa/pr20963.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O2" } */ /* This was causing PRE to insert the value of the ADDR variable, to remove the invariant cast but in doing so, it was creating a non-invariant expression out of the invariant one, causing a later failure in PRE. */ struct sMCB { unsigned char type; }; extern void foo (void); unsigned char mem_readb(char *pt) __attribute__((nothrow)); void DOS_FreeProcessMemory(unsigned short pspseg) { while (1) { if (pspseg) foo (); char *addr = (char*)(&((sMCB*)0)->type); if (mem_readb(addr)==0x5a) break; } };