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syscall emulation: fix fast build issue

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Surprisingly gcc will complain about unused variables even
inside an 'if (false)' block.

I thought I had tested this previously, but apparently not.
This commit is contained in:
Steve Reinhardt 2014-07-19 02:06:22 -07:00
parent c99b13d904
commit 06bb6a4731
1 changed files with 1 additions and 1 deletions
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2
src/sim/syscall_emul.cc
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@ -57,7 +57,7 @@ SyscallDesc::doSyscall(int callnum, LiveProcess *process, ThreadContext *tc)
{
if (DTRACE(SyscallVerbose)) {
int index = 0;
IntReg arg[4];
IntReg arg[4] M5_VAR_USED;
// we can't just put the calls to getSyscallArg() in the
// DPRINTF arg list, because C++ doesn't guarantee their order