[Issue 18981] New: SIGSEGV during backtrace when debug info is compressed

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18981

          Issue ID: 18981
           Summary: SIGSEGV during backtrace when debug info is compressed
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: druntime
          Assignee: nobody at puremagic.com
          Reporter: yshuiv7 at gmail.com

To reproduce: 

1) sample D code:
    void main() {
        throw new Exception("asdf");
    }
2) compile it with debug info
3) compress the debug info with objcopy a.out --compress-debug-sections=zlib
4) run it

Expected:

Stack trace, or at least not crashing

Actual:

SIGSEGV

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