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Avoid incorrect C4319 by Microsoft (R) C/C++ Optimizing Compiler Version 19.00.24215.1 for x64

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modified:   p_lx_elf.cpp
This commit is contained in:
John Reiser 2017-04-07 05:36:40 -07:00
parent cd1f6e733f
commit c34f496600
1 changed files with 6 additions and 1 deletions
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7
src/p_lx_elf.cpp
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@ -1512,7 +1512,12 @@ bool PackLinuxElf32::canPack()
if (1!=exetype && phdr->PT_LOAD32 == p_type) { // 1st PT_LOAD
exetype = 1;
load_va = get_te32(&phdr->p_vaddr); // class data member
unsigned const off = ~page_mask & load_va;
// Cast on next line is to avoid a compiler bug (incorrect complaint) in
// Microsoft (R) C/C++ Optimizing Compiler Version 19.00.24215.1 for x64
// error C4319: '~': zero extending 'unsigned int' to 'upx_uint64_t' of greater size
unsigned const off = ~page_mask & (unsigned)load_va;
if (off && off == p_offset) { // specific hint
throwCantPack("Go-language PT_LOAD: try hemfix.c, or try '--force-execve'");
// Fixing it inside upx fails because packExtent() reads original file.