On Fri, Mar 30, 2012 at 12:33 PM, Matthieu Monrocq < [email protected]> wrote:
> > > Le 30 mars 2012 20:41, Chandler Carruth <[email protected]> a écrit : > > On Fri, Mar 30, 2012 at 1:06 AM, Richard Smith <[email protected]>wrote: >> >>> Repro looks like this: >>> >>> extern "C" { >>> void f() { static int n = 1; } >>> void g() { static long long n = 2; } >>> } >>> >>> The root cause seems to be that we don't mangle static locals inside an >>> extern "C" block. (For reference, g++ does.) >>> >> >> This is causing pretty significant regressions for us. Is a fix in the >> works? If not, I'd like to revert until we get a fix in place so that we >> can make forward progress, and track down other bugs currently showing up. >> >> >> > It has been reported on the mainling list that: > > int main(int argc, char*[]) { > switch(argc) { > case 0: { const int s[] = {0}; break; } > case 1: { const int s[] = {1, 2}; break; } > } > return 0; > } > > was now broken, could it be due to this too ? > Yes, this is the same issue. We're merging the globals which are implicitly created to hold the constant values of the 's' variables.
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