[compiler-rt] r183645 - tsan: fix old gcc warnings

[Dmitry Vyukov]

It's gcc4.7 and it says:


On Mon, Jun 10, 2013 at 2:38 PM, Alexey Samsonov <samsonov at google.com> wrote:
> I think this change will lead to warnings in the newer compilers. AFAIR
> we've dropped gcc 4.4 support in sanitizers. Is it needed for
> Go-ThreadSanitizer?
>
>
> On Mon, Jun 10, 2013 at 2:30 PM, Dmitry Vyukov <dvyukov at google.com> wrote:
>>
>> Author: dvyukov
>> Date: Mon Jun 10 05:30:19 2013
>> New Revision: 183645
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=183645&view=rev
>> Log:
>> tsan: fix old gcc warnings
>>
>> Modified:
>>     compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc
>>
>> Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc
>> URL:
>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc?rev=183645&r1=183644&r2=183645&view=diff
>>
>> ==============================================================================
>> --- compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc (original)
>> +++ compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc Mon Jun 10 05:30:19
>> 2013
>> @@ -448,7 +448,7 @@ static bool HandleRacyStacks(ThreadState
>>      uptr addr_min, uptr addr_max) {
>>    Context *ctx = CTX();
>>    bool equal_stack = false;
>> -  RacyStacks hash;
>> +  RacyStacks hash = {};
>>    if (flags()->suppress_equal_stacks) {
>>      hash.hash[0] = md5_hash(traces[0].Begin(), traces[0].Size() *
>> sizeof(uptr));
>>      hash.hash[1] = md5_hash(traces[1].Begin(), traces[1].Size() *
>> sizeof(uptr));
>> @@ -488,7 +488,7 @@ static void AddRacyStacks(ThreadState *t
>>      uptr addr_min, uptr addr_max) {
>>    Context *ctx = CTX();
>>    if (flags()->suppress_equal_stacks) {
>> -    RacyStacks hash;
>> +    RacyStacks hash = {};
>>      hash.hash[0] = md5_hash(traces[0].Begin(), traces[0].Size() *
>> sizeof(uptr));
>>      hash.hash[1] = md5_hash(traces[1].Begin(), traces[1].Size() *
>> sizeof(uptr));
>>      ctx->racy_stacks.PushBack(hash);
>>
>>
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>
>
>
>
> --
> Alexey Samsonov, MSK