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Chris Bieneman 42d02eba7a [ObjectYAML] Support for DWARF line tables
One more try... relanding r291541 with a fix to properly gate MaxOpsPerInst on DWARF version.

Description from r291541:

This patch re-lands r291470, which failed on Linux bots. The issue (I believe) was undefined behavior because the size of llvm::dwarf::LineNumberOps was not explcitly specified or consistently respected. The updated patch adds an explcit underlying type to the enum and preserves the size more correctly.

Original description:

This patch adds support for the DWARF debug_lines section. The line table state machine opcodes are preserved, so this can be used to test the state machine evaluation directly.

llvm-svn: 291546
2017-01-10 06:22:49 +00:00
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