[llvm-bugs] [Bug 44408] New: Significat compile time regressions since Clang 9

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=44408

            Bug ID: 44408
           Summary: Significat compile time regressions since Clang 9
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: david.bolvansky at gmail.com
                CC: blitzrakete at gmail.com, dgregor at apple.com,
                    erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

Recent Phoronix article mentions huge compile time / perf regressions.

For example:
https://www.phoronix.com/scan.php?page=article&item=gcc-clang-3960x&num=4

ImageMagisk - 50 % worse compile time.
PHP - 20 % worse compile time.

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