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Forbid deducing reference types for m_predicate in FilterGenerator (#3005)

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Forbid deducing reference types for m_predicate in FilterGenerator to prevent dangling references.
This is needed for out-of-line predicates to work correctly instead of undefined behavior or crashes.

---------

Co-authored-by: Tek Mate <mate.tek@evosoft.com>
This commit is contained in:
Szapi
2025-08-23 21:55:38 +02:00
committed by GitHub
parent 582200a1f8
commit 85c4bad86b
15 changed files with 187 additions and 13 deletions
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30
tests/SelfTest/Baselines/console.sw.approved.txt
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@@ -6054,6 +6054,34 @@ GeneratorsImpl.tests.cpp:<line number>: PASSED:
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE_THROWS_AS( filter([](int) { return false; }, values({ 1, 2, 3 })), Catch::GeneratorException )
-------------------------------------------------------------------------------
Generators internals
Filter generator
Out-of-line predicates are copied into the generator
-------------------------------------------------------------------------------
GeneratorsImpl.tests.cpp:<line number>
...............................................................................
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 1 )
with expansion:
1 == 1
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.next() )
with expansion:
true
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE( gen.get() == 3 )
with expansion:
3 == 3
GeneratorsImpl.tests.cpp:<line number>: PASSED:
REQUIRE_FALSE( gen.next() )
with expansion:
!false
-------------------------------------------------------------------------------
Generators internals
Take generator
@@ -19268,5 +19296,5 @@ Misc.tests.cpp:<line number>: PASSED:
===============================================================================
test cases: 435 | 317 passed | 95 failed | 6 skipped | 17 failed as expected
assertions: 2299 | 2101 passed | 157 failed | 41 failed as expected
assertions: 2303 | 2105 passed | 157 failed | 41 failed as expected