http://llvm.org/bugs/show_bug.cgi?id=21566
Bug ID: 21566
Summary: Crash when stripping debug symbols from lazily loaded
module
Product: tools
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: extract
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 13342
--> http://llvm.org/bugs/attachment.cgi?id=13342&action=edit
The original C++ file
Compiling with LLVM and clang r221928, I get a crash if the attached file is
stripped of debug info while being lazily loaded.
Using llvm-extract seems to be the only want to demonstrate a lazy module
loading test right now. If you patch llvm-extract with the attached patch,
then it will:
- Load the module lazily
- Strip the debug info
- Materialize the function.
Note that I'm calling it with
- clang++ lazy.cpp -o lazy.bc -emit-llvm -c -g
- llvm-extract -rfunc=".*foo" lazy.bc -o ext.bc
This is probably a bug in lazy materialization itself, or perhaps an
unsupported configuration.
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