tree 69c6e4ff16b16428d3fc406cc5453ff362f67f73
parent eba70f893dc6afee50d0a76f540382590f1f80a2
author Jonas Devlieghere <jonas@devlieghere.com> 1536851919 +0000
committer Jonas Devlieghere <jonas@devlieghere.com> 1536851919 +0000

[DWARFExpression] Read literars as unsigned values.

After landing r341457, we started seeing a failure on the swift-lldb
bots. The change was correct and pretty straightforward, a DW_OP_constu
was replaced with DW_OP_lit23, the value remaining identical.

  0x000000f4: DW_TAG_variable
		DW_AT_location    (0x00000000
		  [0x0000000100000a51,  0x0000000100000d47): DW_OP_lit23, DW_OP_stack_value)
		DW_AT_name        ("number")

However, this broke LLDB.

  (Int) number = <extracting data from value failed>

The value was read correctly, but apparently the value's type was different.
When reading a constu it was reading a uint64 (m_type = e_ulonglong) while for
the literal, it got a signed int (m_type = e_sint). This change makes sure we
read the value as an unsigned.

Differential revision: https://reviews.llvm.org/D51730

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@342142 91177308-0d34-0410-b5e6-96231b3b80d8