ILSpy

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Branch: ldmembertoken

Commit Graph

Author	SHA1	Message	Date
Siegfried Pammer	ca5eec3cc9	Don't assert decompiled local types match the signature DebugInfoGenerator asserted that every local variable's decompiled type is equivalent to the metadata local-signature type at its slot. That holds at IL-read time but not afterwards: variable splitting gives one slot several typed variables, pinned-region locals are modeled as pointers (int* vs int& pinned), and generic-context type-parameter identity differs. The assertion therefore aborted PDB generation (Debug builds) for ordinary inputs such as any method with a fixed statement. The type is never written to the PDB - only the slot index and name are - so the mismatch cannot affect the debugging experience. The slot index, the only emitted value, is correct by construction: it is the IL ldloc/stloc operand, sourced from the signature slot when the variable is created and copied verbatim by SplitVariables; it is never reassigned. Keep only the index-bound check and document why the type is not verified. Assisted-by: Claude:claude-opus-4-8:Claude Code	3 months ago

Author

SHA1

Message

Date

Siegfried Pammer

ca5eec3cc9

Don't assert decompiled local types match the signature

DebugInfoGenerator asserted that every local variable's decompiled type
is equivalent to the metadata local-signature type at its slot. That
holds at IL-read time but not afterwards: variable splitting gives one
slot several typed variables, pinned-region locals are modeled as
pointers (int* vs int& pinned), and generic-context type-parameter
identity differs. The assertion therefore aborted PDB generation (Debug
builds) for ordinary inputs such as any method with a fixed statement.

The type is never written to the PDB - only the slot index and name are -
so the mismatch cannot affect the debugging experience. The slot index,
the only emitted value, is correct by construction: it is the IL
ldloc/stloc operand, sourced from the signature slot when the variable is
created and copied verbatim by SplitVariables; it is never reassigned.
Keep only the index-bound check and document why the type is not verified.

Assisted-by: Claude:claude-opus-4-8:Claude Code

3 months ago

1 Commits (ldmembertoken)