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Most of the cases were where a C++ file was being compiled with the C substitution.
There were a few cases of the opposite though.
LLDB seems to be the only real culprit in the LLVM codebase for these mismatches.
Rest of the LLVM presumably sticks at least language-specific options in the common substitutions
making the mistakes immediately apparent.
I found these by using Clang frontend configuration files containing language-specific options for
both C and C++ (e.g. `-std=c2y` and `-std=c++26`).
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without debug-info" (#137757)
This reverts commit da7099290cea7d11b83da01adda8afeb3bcd5362.
Same as the original PR. The failing test-case was resolved in https://github.com/llvm/llvm-project/pull/137763
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without debug-info" (#137757)
Reverts llvm/llvm-project#137408
This change broke `lldb/test/Shell/Unwind/split-machine-functions.test`.
The test binary has a symbol named `_Z3foov.cold` and the test expects
the backtrace to print the name of the cold part of the function like
this:
```
# SPLIT: frame #1: {{.*}}`foo() (.cold) +
```
but now it gets
```
frame #1: 0x000055555555514f split-machine-functions.test.tmp`foo() + 12
```
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debug-info (#137408)
This patch makes the frame-format variables introduced in
https://github.com/llvm/llvm-project/pull/131836 also work when no
debug-info is available. Previously, we assumed `sc.function` was
available, but without debug-info we might only have `sc.symbol`. We
don't really need the `sc.function` apart from when formatting
arguments.
For the function arguments case I added a fallback that will just print
the arguments we get from the demangler (which is what LLDB does for
stacktraces with no debug-info anyway). Ideally we'd have a separate
`FormatEntity::Entry::Type::FunctionArguments` that will just print the
arguments from the demangler and have something like the following in
the `plugin.cplusplus.display.function-name-format`:
```
{ ${function.formatted-arguments} || ${function.arguments} }
```
I.e., when we can't format the arguments, print the ones from the
demangler. But we currently don't have the `||` operator in the
frame-format language yet.
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These are failing for various reasons on CI, most likely due to us
requiring the Microsoft mangler. So XFAIL these.
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These don't make sense for PDB on Windows
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All of these were failing on Windows CI. Some are failing because
breakpoints on template functions can't be set by name. Others are
failing because of slight textual differences. Most are failing because
we can't track components of a mangled name from PDB, so XFAIL those.
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Adds new frame-format variables and implements them in the CPlusPlusLanguage plugin.
We use the `DemangledNameInfo` type to retrieve the necessary part of the demangled name.
https://github.com/llvm/llvm-project/pull/131836
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