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[lldb] Fix a regression in SBValue::GetObjectDescription() (#117242) #9663

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adrian-prantl
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The old behavior was to return a null string in the error case,when refactoring the error handling I thought it would be a good idea to print the error in the description, but that breaks clients that try to print a description first and then do something else in the error case. The API is not great but it's clear that in-band errors are also not a good idea.

rdar://133956263
(cherry picked from commit 7553fb1)

Conflicts:
lldb/test/API/commands/expression/diagnostics/TestExprDiagnostics.py

@adrian-prantl adrian-prantl requested a review from a team as a code owner November 21, 2024 23:42
@adrian-prantl
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@swift-ci test

The old behavior was to return a null string in the error case,when
refactoring the error handling I thought it would be a good idea to
print the error in the description, but that breaks clients that try to
print a description first and then do something else in the error case.
The API is not great but it's clear that in-band errors are also not a
good idea.

rdar://133956263
(cherry picked from commit 7553fb1)

 Conflicts:
	lldb/test/API/commands/expression/diagnostics/TestExprDiagnostics.py
@adrian-prantl
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@swift-ci test

@adrian-prantl adrian-prantl merged commit db02b99 into swiftlang:swift/release/6.1 Dec 2, 2024
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2 participants