[LLVMbugs] [Bug 12345] New: Regression: clang 153254 produces chromium binaries that are 2.2 MB (4%) larger than clang 152598

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12345

             Bug #: 12345
           Summary: Regression: clang 153254 produces chromium binaries
                    that are 2.2 MB (4%) larger than clang 152598
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: LLVM Codegen
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: nicolasweber at gmx.de
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


When I rolled clang in chromium to r153254, the size of the chromium binary
increased by 2.2MB or 4%. This went back down after the roll got reverted:

http://build.chromium.org/f/chromium/perf/mac-release/sizes/report.html?history=150&rev=128750&graph=ChromiumFramework-__TEXT

At the same time, none of the perf metrics we're tracking have improved:
http://build.chromium.org/f/chromium/perf/dashboard/perf.html?builder=Chromium%20Mac%2010.6
(this dashboard isn't pinned to a revision, so the clang roll will scroll out
of view within a day or so.)

This blocks further clang updates in chromium.

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