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Fix warning about one of CheckAddressBits functions unused

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This commit is contained in:
Aliaksey Kandratsenka 2018-03-24 19:09:15 -07:00
parent 47c99cf492
commit c4a8e00da4
1 changed files with 6 additions and 9 deletions
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15
src/system-alloc.cc
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@ -100,13 +100,11 @@ using tcmalloc::Log;
namespace {
// Check that no bit is set at position ADDRESS_BITS or higher.
template <int ADDRESS_BITS> bool CheckAddressBits(uintptr_t ptr) {
return (ptr >> ADDRESS_BITS) == 0;
}
// Specialize for the bit width of a pointer to avoid undefined shift.
template <> bool CheckAddressBits<8 * sizeof(void*)>(uintptr_t ptr) {
return true;
bool CheckAddressBits(uintptr_t ptr) {
if (kAddressBits == 8 * sizeof(void*)) {
return true;
}
return (ptr >> kAddressBits) == 0;
}
} // Anonymous namespace to avoid name conflicts on "CheckAddressBits".
@ -510,8 +508,7 @@ void* TCMalloc_SystemAlloc(size_t size, size_t *actual_size,
void* result = tcmalloc_sys_alloc->Alloc(size, actual_size, alignment);
if (result != NULL) {
CHECK_CONDITION(
CheckAddressBits<kAddressBits>(
reinterpret_cast<uintptr_t>(result) + *actual_size - 1));
CheckAddressBits(reinterpret_cast<uintptr_t>(result) + *actual_size - 1));
TCMalloc_SystemTaken += *actual_size;
}
return result;