[llvm-bugs] [Bug 28649] New: Taking too long to build a huge file

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=28649

            Bug ID: 28649
           Summary: Taking too long to build a huge file
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: ARM
          Assignee: unassignedbugs at nondot.org
          Reporter: laszio at google.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

It seems to take an infinite long time to do this:

$ clang -cc1 -triple thumbv7-linux-gnueabi -emit-obj -x c huge.c

while it "only" takes 2 minutes for armv7 and x86_64. If invoked in this way,
it only took ~1 minute:

$ clang -target thumbv7-linux-gnueabi -c -o huge.o -x c huge.c

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