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digitalmars.D.bugs - [Issue 14276] New: DWARF debug info for SIMD broken

https://issues.dlang.org/show_bug.cgi?id=14276

          Issue ID: 14276
           Summary: DWARF debug info for SIMD broken
           Product: D
           Version: D2
          Hardware: All
                OS: Linux
            Status: NEW
          Keywords: symdeb
          Severity: normal
          Priority: P1
         Component: DMD
          Assignee: nobody puremagic.com
          Reporter: code dawg.eu

cat > bug.d << CODE
import core.simd;
void foo(int4 a, ubyte16 b)
{
}
CODE

dmd -c -g bug.d

----
dwarfdump bug.o
----

dwarfdump:  A parent DW_AT_sibling of 0x0000007a points at the first child
0x0000007a so the die tree is corrupt (showing section, not CU, offsets).  

The subrange for the vector is encoded incorrectly.

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Mar 11 2015