https://llvm.org/bugs/show_bug.cgi?id=27170
Bug ID: 27170
Summary: Clang produces malformed coverage mapping data
Product: clang
Version: 3.8
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: v...@apple.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Simple reproducer:
$ echo "void foo() {}" | ./bin/clang -x c -fprofile-instr-generate
-fcoverage-mapping - -c -o - | ./bin/llvm-cov show - -instr-profile=none
error: Failed to load coverage: Malformed coverage data
Bisected to: r230676
This issue was fixed on trunk after r260117, but it affects llvm 3.8.
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