https://bugs.llvm.org/show_bug.cgi?id=38256
Bug ID: 38256
Summary: Is instrumentation profile threading-unaware?
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: lebedev...@gmail.com
CC: llvm-bugs@lists.llvm.org
I'm failing to come up with a minimal reproducer right now,
but if a program is built with threading (-fopenmp),
and does some work in threads, then even though the 'llvm-profdata merge'
does not complain, the `llvm-cov show` fails with:
error: <binary>: Failed to load coverage: Malformed coverage data
I *thought* it worked before. Is that expected/intentional behaviour?
This is with llvm/clang trunk.
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