[llvm-bugs] [Bug 32029] New: llvm-3.91 and LTO

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=32029

            Bug ID: 32029
           Summary: llvm-3.91 and LTO
           Product: libraries
           Version: 3.9
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Support Libraries
          Assignee: unassignedbugs at nondot.org
          Reporter: john.frankish at outlook.com
                CC: llvm-bugs at lists.llvm.org

Compiling llvm-3.9.1 with and without LTO, there is a huge difference in the
size of the static libs, but LTO should not be used on the static libs.

LLVM_ENABLE_LTO:STRING=OFF 29,552,856 libLLVM-3.9.so  29,258,242 libclangSema.a
LLVM_ENABLE_LTO:STRING=ON  26,684,952 libLLVM-3.9.so 137,760,300 libclangSema.a

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