[llvm-bugs] [Bug 51210] New: Missing SourceMgr when computing ThinLTO ModuleSummary with inline asm

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=51210

            Bug ID: 51210
           Summary: Missing SourceMgr when computing ThinLTO ModuleSummary
                    with inline asm
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: MC
          Assignee: unassignedbugs at nondot.org
          Reporter: nikita.ppv at gmail.com
                CC: llvm-bugs at lists.llvm.org, yuanfang.chen at sony.com

target triple = "x86_64-unknown-unknown"
module asm "foo bar"

opt -module-summary -enable-new-pm=0 < test.ll > test.bc

Either SourceMgr should be available
UNREACHABLE executed at /home/nikic/llvm-project/llvm/lib/MC/MCContext.cpp:913!

This is presumably caused by
https://github.com/llvm/llvm-project/commit/5de2d189e6ad466a1f0616195e8c524a4eb3cbc0.

The InlineSourceMgr seems to only get initialized when using the AsmPrinter,
not when using the AsmParser, which is used by ModuleSummaryAnalysis.

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