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Richard SmithandGeoff Romer de0ad6730f Fix crash if a member of std::string_view is found in a derived class. (#6604) 
Members of `std::string_view` can't be accessed directly, because that
type maps into Carbon's `str` type (`Core.String`), so member access
doesn't find the C++ members. But they can be named via qualified name
lookup into a derived type. That crashed because we didn't expect the
non-Cpp type `Core.String` to be the parent of a Cpp-imported member.

Plus add some more test coverage for related cases (not involving `str`)
that already worked.

---------

Co-authored-by: Geoff Romer <gromer@google.com>
2026-01-15 22:36:18 +00:00
..
cpp
Fix crash if a member of std::string_view is found in a derived class. (#6604)
2026-01-15 22:36:18 +00:00
fuzzer_corpus
Change array syntax from [T; N] to array(T, N) (#4981)
2025-02-20 22:42:47 +00:00
testdata
Fix crash if a member of std::string_view is found in a derived class. (#6604)
2026-01-15 22:36:18 +00:00
action.cpp
Clean up singleton TypeId use (#6300)
2025-10-30 22:50:59 +00:00
action.h
Even more usage of TypeInstId (#5296)
2025-04-11 21:47:43 +00:00
BUILD
Perform Clang IRGen during check (#6569)
2026-01-14 00:54:37 +00:00
call.cpp
Remove some uses of ReturnTypeInfo (#6577)
2026-01-13 17:23:27 +00:00
call.h
Model ref tags as insts instead of annotations (#6541)
2026-01-05 22:24:47 +00:00
check_fuzzer.cpp
Switch Driver back to parameters for construction (#4849)
2025-01-27 23:48:44 +00:00
check_unit.cpp
Use lines instead of statements for readability-function-size clang-tidy (#6594)
2026-01-14 19:32:03 +00:00
check_unit.h
Use lines instead of statements for readability-function-size clang-tidy (#6594)
2026-01-14 19:32:03 +00:00
check.cpp
Perform Clang IRGen during check (#6569)
2026-01-14 00:54:37 +00:00
check.h
Perform Clang IRGen during check (#6569)
2026-01-14 00:54:37 +00:00
class.cpp
Mark Check::Context::insts() as const and use it in more use cases (#6093)
2025-09-18 13:04:18 +00:00
class.h
Vtable support for generics (#5793)
2025-07-11 22:29:10 +00:00
context.cpp
Make IdTag typesafe (#6574)
2026-01-13 22:44:38 +00:00
context.h
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
control_flow.cpp
Add well-known identifier caching (#6486)
2025-12-11 21:41:47 +00:00
control_flow.h
Handle destruction for return statements (#5785)
2025-07-10 16:32:39 +00:00
convert.cpp
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
convert.h
Give ReturnExpr a target only when initialization is in-place (#6570)
2026-01-13 01:20:15 +00:00
core_identifier.cpp
Add well-known identifier caching (#6486)
2025-12-11 21:41:47 +00:00
core_identifier.def
Add well-known identifier caching (#6486)
2025-12-11 21:41:47 +00:00
core_identifier.h
Add well-known identifier caching (#6486)
2025-12-11 21:41:47 +00:00
custom_witness.cpp
Add Call param patterns to Function (#6586)
2026-01-13 19:30:15 +00:00
custom_witness.h
Change Destroy to use a CustomWitness instead of a blanket impl (#6512)
2025-12-19 18:36:06 +00:00
decl_introducer_state.h
Allow extend final impl as for impl declarations (#5345)
2025-04-23 15:20:18 +00:00
decl_name_stack.cpp
Defer building thunks until the end of the enclosing definition. (#5403)
2025-05-07 22:20:39 +00:00
decl_name_stack.h
Defer building thunks until the end of the enclosing definition. (#5403)
2025-05-07 22:20:39 +00:00
deduce.cpp
Finish renaming BindName and related insts. (#6281)
2025-10-28 17:17:38 +00:00
deduce.h
Fearlessly hold references into ValueStore again (#5589)
2025-06-03 18:07:23 +00:00
deferred_definition_worklist.cpp
Track pending thunks on the deferred definition worklist. (#5609)
2025-06-10 22:09:31 +00:00
deferred_definition_worklist.h
Track pending thunks on the deferred definition worklist. (#5609)
2025-06-10 22:09:31 +00:00
diagnostic_emitter.cpp
Check required implementations when an enclosing interface is implemented (#6522)
2026-01-07 17:05:41 +00:00
diagnostic_emitter.h
Expand use of CheckIRId stores (#5820)
2025-07-21 20:02:27 +00:00
diagnostic_helpers.h
Use explicit(false) for implicit construction (#6039)
2025-09-10 13:47:59 +00:00
dump.cpp
Add lldb dumping for RequireImplsId and RequireImplsBlockId (#6524)
2025-12-19 18:48:20 +00:00
eval_inst.cpp
Fix lowering of imported global variables. (#6567)
2026-01-11 19:22:43 +00:00
eval_inst.h
Use inline constexpr where appropriate. (#6374)
2025-11-14 13:50:56 +00:00
eval.cpp
Allow conversion between T* and Cpp.void*. (#6575)
2026-01-12 16:32:15 +00:00
eval.h
Remove the SemIRLoc typedef (#5299)
2025-04-14 14:28:15 +00:00
facet_type.cpp
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
facet_type.h
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
full_pattern_stack.h
Allocate CallParamIndexes eagerly (#6540)
2026-01-05 19:38:52 +00:00
function.cpp
Remove some uses of ReturnTypeInfo (#6577)
2026-01-13 17:23:27 +00:00
function.h
Remove some uses of ReturnTypeInfo (#6577)
2026-01-13 17:23:27 +00:00
generic_region_stack.cpp
Build generic eval blocks incrementally (#5313)
2025-05-01 20:24:15 +00:00
generic_region_stack.h
Build generic eval blocks incrementally (#5313)
2025-05-01 20:24:15 +00:00
generic.cpp
Add Inst::IsOneOf to check if an inst is one of a few kinds (#6523)
2026-01-07 21:41:05 +00:00
generic.h
Initial support for empty named constraints (#6245)
2025-10-22 18:26:32 +00:00
global_init.cpp
Add Call param patterns to Function (#6586)
2026-01-13 19:30:15 +00:00
global_init.h
Split global init out from InstBlockStack. (#4101)
2024-07-03 17:49:47 +00:00
handle_alias.cpp
Finish renaming BindName and related insts. (#6281)
2025-10-28 17:17:38 +00:00
handle_array.cpp
Construct LocId from InstId directly (explicitly) instead of doing lookups when possible (#5355)
2025-04-28 19:06:24 +00:00
handle_binding_pattern.cpp
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
handle_call_expr.cpp
Parse ref as operator (#6539)
2025-12-30 19:18:34 +00:00
handle_choice.cpp
Use the value representation of T as that of MaybeUnformed(T) where possible (#6334)
2025-11-07 16:25:27 +00:00
handle_class.cpp
Switch class to use a blanket impl for Destroy (#6125)
2025-09-29 16:05:06 +00:00
handle_codeblock.cpp
Detect control flow in entities nested inside functions (#5336)
2025-04-23 19:03:53 +00:00
handle_export.cpp
Construct LocId from InstId directly (explicitly) instead of doing lookups when possible (#5355)
2025-04-28 19:06:24 +00:00
handle_expr_statement.cpp
Convert discarded calls in thunks. (#5452)
2025-05-09 16:35:28 +00:00
handle_file.cpp
Rename check handlers to HandleParseNode overloads. (#4121)
2024-07-12 22:38:06 +00:00
handle_function.cpp
[parse] Implement initial parsing support for Lambda expressions (#6583)
2026-01-14 16:58:15 +00:00
handle_if_expr.cpp
Detect control flow in entities nested inside functions (#5336)
2025-04-23 19:03:53 +00:00
handle_if_statement.cpp
Refactor AddInst-family functions to their own file (#4941)
2025-02-14 19:44:36 +00:00
handle_impl.cpp
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
handle_import_and_package.cpp
Formalize Cpp as a PackageNameId (#6306)
2025-11-05 17:21:41 +00:00
handle_index.cpp
Add well-known identifier caching (#6486)
2025-12-11 21:41:47 +00:00
handle_interface.cpp
Add require decls to Interface and NamedConstraint (#6321)
2025-11-11 16:36:15 +00:00
handle_lambda.cpp
[parse] Implement initial parsing support for Lambda expressions (#6583)
2026-01-14 16:58:15 +00:00
handle_let_and_var.cpp
Allocate CallParamIndexes eagerly (#6540)
2026-01-05 19:38:52 +00:00
handle_literal.cpp
Add interop support for naming and "calling" C++ templates. (#6474)
2025-12-15 17:45:01 +00:00
handle_loop_statement.cpp
Add well-known identifier caching (#6486)
2025-12-11 21:41:47 +00:00
handle_match.cpp
Rename check handlers to HandleParseNode overloads. (#4121)
2024-07-12 22:38:06 +00:00
handle_modifier.cpp
Allow extend final impl as for impl declarations (#5345)
2025-04-23 15:20:18 +00:00
handle_name.cpp
Change the package namespace to use the package name (#6495)
2025-12-16 01:33:53 +00:00
handle_named_constraint.cpp
Add require decls to Interface and NamedConstraint (#6321)
2025-11-11 16:36:15 +00:00
handle_namespace.cpp
Construct LocId from InstId directly (explicitly) instead of doing lookups when possible (#5355)
2025-04-28 19:06:24 +00:00
handle_noop.cpp
Abort checking when encountering an invalid parse node (#4700)
2024-12-18 00:19:12 +00:00
handle_operator.cpp
Model ref tags as insts instead of annotations (#6541)
2026-01-05 22:24:47 +00:00
handle_paren_expr.cpp
Rename check handlers to HandleParseNode overloads. (#4121)
2024-07-12 22:38:06 +00:00
handle_pattern_list.cpp
Decouple associated constants from let (#5973)
2025-09-02 23:15:26 +00:00
handle_require.cpp
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
handle_return_statement.cpp
Rename check handlers to HandleParseNode overloads. (#4121)
2024-07-12 22:38:06 +00:00
handle_struct.cpp
Switch zip to zip_equal where possible (#6389)
2025-11-18 00:28:06 +00:00
handle_tuple_literal.cpp
Remove all remaining uses of TypeIds as instruction operands. (#5280)
2025-04-10 20:53:42 +00:00
handle_where.cpp
Use the new IsFacetTypeOrError function (#6438)
2025-12-02 22:33:55 +00:00
handle.h
Track pending thunks on the deferred definition worklist. (#5609)
2025-06-10 22:09:31 +00:00
impl_lookup.cpp
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
impl_lookup.h
Cache final impl lookup results. (#6452)
2025-12-02 22:51:25 +00:00
impl_validation.cpp
Check the orphan rule for impls (#6488)
2025-12-11 19:44:39 +00:00
impl_validation.h
Add diagnostics for invalid impl declarations (#5420)
2025-05-22 18:58:47 +00:00
impl.cpp
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
impl.h
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
import_ref.cpp
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
import_ref.h
When performing an impl lookup, only import impls for related interfaces. (#6040)
2025-09-10 21:40:27 +00:00
import.cpp
Refactor addition of imported locations and placeholders (#6354)
2025-11-13 18:34:13 +00:00
import.h
Refactor addition of imported locations and placeholders (#6354)
2025-11-13 18:34:13 +00:00
inst_block_stack.cpp
Refactor InstBlockStore's API, AddDefaultValue -> AddPlaceholder (#5166)
2025-03-21 23:09:37 +00:00
inst_block_stack.h
Add require decls to Interface and NamedConstraint (#6321)
2025-11-11 16:36:15 +00:00
inst.cpp
Refactor addition of imported locations and placeholders (#6354)
2025-11-13 18:34:13 +00:00
inst.h
Refactor addition of imported locations and placeholders (#6354)
2025-11-13 18:34:13 +00:00
interface.cpp
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
interface.h
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
keyword_modifier_set.cpp
Some more edits to EnumBase and EnumMaskBase (#6054)
2025-09-12 22:59:37 +00:00
keyword_modifier_set.h
Use inline constexpr where appropriate. (#6374)
2025-11-14 13:50:56 +00:00
lexical_lookup.h
Set an explicit size for lexical lookup's vector (#5786)
2025-07-09 22:42:27 +00:00
literal.cpp
Add interop support for naming and "calling" C++ templates. (#6474)
2025-12-15 17:45:01 +00:00
literal.h
Add interop support for naming and "calling" C++ templates. (#6474)
2025-12-15 17:45:01 +00:00
member_access.cpp
Clean up singleton TypeId use (#6300)
2025-10-30 22:50:59 +00:00
member_access.h
Implement support for mixed-access overload sets. (#6137)
2025-09-26 23:18:16 +00:00
merge.cpp
Remove support for addr (#6375)
2025-11-18 19:48:58 +00:00
merge.h
Initial support for empty named constraints (#6245)
2025-10-22 18:26:32 +00:00
modifiers.cpp
Construct LocId from InstId directly (explicitly) instead of doing lookups when possible (#5355)
2025-04-28 19:06:24 +00:00
modifiers.h
Refactor modifier formatting to remove string passing. (#4418)
2024-10-17 22:47:40 +00:00
name_component.cpp
Add Call param patterns to Function (#6586)
2026-01-13 19:30:15 +00:00
name_component.h
Add Call param patterns to Function (#6586)
2026-01-13 19:30:15 +00:00
name_lookup.cpp
Reject unqualified private access to base members (#6521)
2025-12-18 19:12:07 +00:00
name_lookup.h
Add well-known identifier caching (#6486)
2025-12-11 21:41:47 +00:00
name_ref.cpp
Fix lowering of thunks in generic impls (#5631)
2025-06-10 20:54:58 +00:00
name_ref.h
Fix lowering of thunks in generic impls (#5631)
2025-06-10 20:54:58 +00:00
name_scope.cpp
Diagnose explicit Self in extend in the parse node handler (Refactor Impl construction 1/7) (#6465)
2025-12-09 20:38:50 +00:00
name_scope.h
Diagnose explicit Self in extend in the parse node handler (Refactor Impl construction 1/7) (#6465)
2025-12-09 20:38:50 +00:00
node_id_traversal.cpp
Track pending thunks on the deferred definition worklist. (#5609)
2025-06-10 22:09:31 +00:00
node_id_traversal.h
Track pending thunks on the deferred definition worklist. (#5609)
2025-06-10 22:09:31 +00:00
node_stack.cpp
Use lines instead of statements for readability-function-size clang-tidy (#6594)
2026-01-14 19:32:03 +00:00
node_stack.h
[parse] Implement initial parsing support for Lambda expressions (#6583)
2026-01-14 16:58:15 +00:00
operator.cpp
Model ref tags as insts instead of annotations (#6541)
2026-01-05 22:24:47 +00:00
operator.h
Add well-known identifier caching (#6486)
2025-12-11 21:41:47 +00:00
param_and_arg_refs_stack.h
Consolidate post-check logic (#5003)
2025-02-25 02:07:43 +00:00
pattern_match.cpp
Add Call param patterns to Function (#6586)
2026-01-13 19:30:15 +00:00
pattern_match.h
Add Call param patterns to Function (#6586)
2026-01-13 19:30:15 +00:00
pattern.cpp
Replace GetCurrentReturnSlot with GetReturnedVarParam (#6571)
2026-01-10 01:56:32 +00:00
pattern.h
Import C++ ref parameters as ref parameters (#6360)
2025-11-13 17:04:58 +00:00
pending_block.h
Don't treat dependent types as having a copy value representation. (#6055)
2025-09-15 23:59:00 +00:00
pointer_dereference.cpp
Generate thunks for functions in impls (#5390)
2025-05-01 22:17:55 +00:00
pointer_dereference.h
Generate thunks for functions in impls (#5390)
2025-05-01 22:17:55 +00:00
region_stack.h
Remove the SemIRLoc typedef (#5299)
2025-04-14 14:28:15 +00:00
require_impls.cpp
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
require_impls.h
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
return.cpp
Remove some uses of ReturnTypeInfo (#6577)
2026-01-13 17:23:27 +00:00
return.h
Replace GetCurrentReturnSlot with GetReturnedVarParam (#6571)
2026-01-10 01:56:32 +00:00
scope_index.h
Use inline constexpr where appropriate. (#6374)
2025-11-14 13:50:56 +00:00
scope_stack.cpp
Defer building thunks until the end of the enclosing definition. (#5403)
2025-05-07 22:20:39 +00:00
scope_stack.h
Drop fn destroy support (#6136)
2025-09-25 21:56:48 +00:00
subst.cpp
Change Destroy to use a CustomWitness instead of a blanket impl (#6512)
2025-12-19 18:36:06 +00:00
subst.h
Finish renaming BindName and related insts. (#6281)
2025-10-28 17:17:38 +00:00
thunk.cpp
Add Call param patterns to Function (#6586)
2026-01-13 19:30:15 +00:00
thunk.h
Implement support for copying C++ classes. (#6434)
2025-12-02 02:52:23 +00:00
type_completion.cpp
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
type_completion.h
Make identifying a facet type an operation on a (self+facet type) pair (#6592)
2026-01-14 17:34:56 +00:00
type_structure.cpp
Return SymbolicBindingType separately in TypeIterator (#6193)
2025-10-10 12:37:37 +00:00
type_structure.h
Prevent accidental copies of TypeStructure (#6519)
2025-12-18 17:26:28 +00:00
type.cpp
Add interop support for naming and "calling" C++ templates. (#6474)
2025-12-15 17:45:01 +00:00
type.h
Add interop support for naming and "calling" C++ templates. (#6474)
2025-12-15 17:45:01 +00:00