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RedBear-OS/local/recipes/dev/libclc/source/clang/test/SemaOpenACC/combined-construct-gang-clause.cpp
T
vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class) 
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

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// RUN: %clang_cc1 %s -fopenacc -verify
struct S{};
struct Converts{
operator int();
};
template<typename T, unsigned Zero, unsigned Two, unsigned Four>
void ParallelTempl() {
T i;
// expected-error@+1{{'num' argument on 'gang' clause is not permitted on a 'parallel loop' construct}}
#pragma acc parallel loop gang(i)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{'num' argument on 'gang' clause is not permitted on a 'parallel loop' construct}}
#pragma acc parallel loop gang(num:i)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{argument to 'gang' clause dimension must be a constant expression}}
#pragma acc parallel loop gang(dim:i)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 0}}
#pragma acc parallel loop gang(dim:Zero)
for(int i = 0; i < 5; ++i);
#pragma acc parallel loop gang(dim:Two)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 4}}
#pragma acc parallel loop gang(dim:Four)
for(int i = 0; i < 5; ++i);
#pragma acc parallel loop gang(static:i) gang(dim:Two)
for(int i = 0; i < 5; ++i);
#pragma acc parallel loop gang(static:i, dim:Two)
for(int i = 0; i < 5; ++i);
#pragma acc parallel loop gang(dim:Two) gang(static:*)
for(int i = 0; i < 5; ++i);
#pragma acc parallel loop gang(dim:Two, static:*)
for(int i = 0; i < 5; ++i);
// expected-error@+4{{OpenACC 'gang' clause may have at most one 'static' argument}}
// expected-note@+3{{previous expression is here}}
// expected-error@+2{{OpenACC 'gang' clause may have at most one 'dim' argument}}
// expected-note@+1{{previous expression is here}}
#pragma acc parallel loop gang(dim:Two, static:*, dim:1, static:i)
for(int i = 0; i < 5; ++i);
}
void Parallel() {
ParallelTempl<int, 0, 2, 4>(); // expected-note{{in instantiation of function template}}
int i;
// expected-error@+1{{'num' argument on 'gang' clause is not permitted on a 'parallel loop' construct}}
#pragma acc parallel loop gang(i)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{'num' argument on 'gang' clause is not permitted on a 'parallel loop' construct}}
#pragma acc parallel loop gang(num:i)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{argument to 'gang' clause dimension must be a constant expression}}
#pragma acc parallel loop gang(dim:i)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 0}}
#pragma acc parallel loop gang(dim:0)
for(int i = 0; i < 5; ++i);
#pragma acc parallel loop gang(dim:2)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 4}}
#pragma acc parallel loop gang(dim:4)
for(int i = 0; i < 5; ++i);
#pragma acc parallel loop gang(static:i) gang(dim:2)
for(int i = 0; i < 5; ++i);
#pragma acc parallel loop gang(static:i, dim:2)
for(int i = 0; i < 5; ++i);
#pragma acc parallel loop gang(dim:2) gang(static:*)
for(int i = 0; i < 5; ++i);
#pragma acc parallel loop gang(dim:2, static:*)
for(int i = 0; i < 5; ++i);
// expected-error@+4{{OpenACC 'gang' clause may have at most one 'static' argument}}
// expected-note@+3{{previous expression is here}}
// expected-error@+2{{OpenACC 'gang' clause may have at most one 'dim' argument}}
// expected-note@+1{{previous expression is here}}
#pragma acc parallel loop gang(dim:2, static:*, dim:1, static:i)
for(int i = 0; i < 5; ++i);
}
template<typename SomeS, typename SomeC, typename Int>
void StaticIsIntegralTempl() {
SomeS s;
// expected-error@+1{{OpenACC clause 'gang' requires expression of integer type ('S' invalid)}}
#pragma acc parallel loop gang(dim:2) gang(static:s)
for(int i = 0; i < 5; ++i);
SomeC C;
#pragma acc parallel loop gang(dim:2) gang(static:C)
for(int i = 0; i < 5; ++i);
Int i;
#pragma acc parallel loop gang(dim:2) gang(static:i)
for(int i = 0; i < 5; ++i);
#pragma acc parallel loop gang(dim:2) gang(static:*)
for(int i = 0; i < 5; ++i);
}
void StaticIsIntegral() {
StaticIsIntegralTempl<S, Converts, int>();// expected-note{{in instantiation of function template}}
S s;
// expected-error@+1{{OpenACC clause 'gang' requires expression of integer type ('S' invalid)}}
#pragma acc parallel loop gang(dim:2) gang(static:s)
for(int i = 0; i < 5; ++i);
Converts C;
#pragma acc parallel loop gang(dim:2) gang(static:C)
for(int i = 0; i < 5; ++i);
}
template<unsigned I>
void SerialTempl() {
// expected-error@+1{{'num' argument on 'gang' clause is not permitted on a 'serial loop'}}
#pragma acc serial loop gang(I)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{'num' argument on 'gang' clause is not permitted on a 'serial loop'}}
#pragma acc serial loop gang(num:I)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{'dim' argument on 'gang' clause is not permitted on a 'serial loop'}}
#pragma acc serial loop gang(dim:I)
for(int i = 0; i < 5; ++i);
#pragma acc serial loop gang(static:I)
for(int i = 0; i < 5; ++i);
}
void Serial() {
SerialTempl<2>();
// expected-error@+1{{'num' argument on 'gang' clause is not permitted on a 'serial loop'}}
#pragma acc serial loop gang(1)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{'num' argument on 'gang' clause is not permitted on a 'serial loop'}}
#pragma acc serial loop gang(num:1)
for(int i = 0; i < 5; ++i);
// expected-error@+1{{'dim' argument on 'gang' clause is not permitted on a 'serial loop'}}
#pragma acc serial loop gang(dim:1)
for(int i = 0; i < 5; ++i);
#pragma acc serial loop gang(static:1)
for(int i = 0; i < 5; ++i);
int i;
#pragma acc serial loop gang(static:i)
for(int i = 0; i < 5; ++i);
}
template<typename T>
void KernelsTempl() {
T t;
// expected-error@+1{{'dim' argument on 'gang' clause is not permitted on a 'kernels loop'}}
#pragma acc kernels loop gang(dim:t)
for(int i = 0; i < 5; ++i);
#pragma acc kernels loop gang(static:t)
for(int i = 0; i < 5; ++i);
// expected-error@+2{{'num_gangs' clause not allowed on a 'kernels loop' construct that has a 'gang' clause with a 'num' argument}}
// expected-note@+1{{previous 'gang' clause is here}}
#pragma acc kernels loop gang(t) num_gangs(t)
for(int i = 0; i < 5; ++i);
// OK, kernels loop should block this.
#pragma acc kernels num_gangs(t)
#pragma acc kernels loop gang(static:t)
for(int i = 0; i < 5; ++i);
// expected-error@+2{{'num' argument to 'gang' clause not allowed on a 'kernels loop' construct that has a 'num_gangs' clause}}
// expected-note@+1{{previous 'num_gangs' clause is here}}
#pragma acc kernels loop num_gangs(t) gang(t)
for(int i = 0; i < 5; ++i);
// expected-error@+2{{'num_gangs' clause not allowed on a 'kernels loop' construct that has a 'gang' clause with a 'num' argument}}
// expected-note@+1{{previous 'gang' clause is here}}
#pragma acc kernels loop gang(num:t) num_gangs(t)
for(int i = 0; i < 5; ++i);
// expected-error@+2{{'num' argument to 'gang' clause not allowed on a 'kernels loop' construct that has a 'num_gangs' clause}}
// expected-note@+1{{previous 'num_gangs' clause is here}}
#pragma acc kernels loop num_gangs(t) gang(num:t)
for(int i = 0; i < 5; ++i);
}
void Kernels() {
KernelsTempl<unsigned>();
// expected-error@+1{{'dim' argument on 'gang' clause is not permitted on a 'kernels loop'}}
#pragma acc kernels loop gang(dim:1)
for(int i = 0; i < 5; ++i);
unsigned t;
#pragma acc kernels loop gang(static:t)
for(int i = 0; i < 5; ++i);
// expected-error@+2{{'num_gangs' clause not allowed on a 'kernels loop' construct that has a 'gang' clause with a 'num' argument}}
// expected-note@+1{{previous 'gang' clause is here}}
#pragma acc kernels loop gang(t) num_gangs(t)
for(int i = 0; i < 5; ++i);
// expected-error@+2{{'num' argument to 'gang' clause not allowed on a 'kernels loop' construct that has a 'num_gangs' clause}}
// expected-note@+1{{previous 'num_gangs' clause is here}}
#pragma acc kernels loop num_gangs(t) gang(t)
for(int i = 0; i < 5; ++i);
// expected-error@+2{{'num_gangs' clause not allowed on a 'kernels loop' construct that has a 'gang' clause with a 'num' argument}}
// expected-note@+1{{previous 'gang' clause is here}}
#pragma acc kernels loop gang(num:t) num_gangs(t)
for(int i = 0; i < 5; ++i);
// expected-error@+2{{'num' argument to 'gang' clause not allowed on a 'kernels loop' construct that has a 'num_gangs' clause}}
// expected-note@+1{{previous 'num_gangs' clause is here}}
#pragma acc kernels loop num_gangs(t) gang(num:t)
for(int i = 0; i < 5; ++i);
// OK, intervening compute/combined construct.
#pragma acc kernels loop gang(num:1)
for(int i = 0; i < 5; ++i) {
#pragma acc serial loop gang(static:1)
for(int i = 0; i < 5; ++i);
}
#pragma acc kernels loop gang(num:1)
for(int i = 0; i < 5; ++i) {
#pragma acc serial
#pragma acc loop gang(static:1)
for(int i = 0; i < 5; ++i);
}
#pragma acc kernels
#pragma acc loop gang(num:1)
for(int i = 0; i < 5; ++i) {
#pragma acc serial loop gang(static:1)
for(int i = 0; i < 5; ++i);
}
#pragma acc kernels loop gang(num:1)
for(int i = 0; i < 5; ++i) {
// expected-error@+2{{loop with a 'gang' clause may not exist in the region of a 'gang' clause on a 'kernels loop' construct}}
// expected-note@-3{{previous 'gang' clause is here}}
#pragma acc loop gang(static:1)
for(int i = 0; i < 5; ++i);
}
// OK, on a different 'loop', not in the associated stmt.
#pragma acc kernels loop gang(num:1)
for(int i = 0; i < 5; ++i);
#pragma acc loop gang(static:1)
for(int i = 0; i < 5; ++i);
// OK, on a different 'loop', not in the associated stmt.
#pragma acc kernels loop gang(num:1)
for(int i = 0; i < 5; ++i);
#pragma acc kernels loop gang(static:1)
for(int i = 0; i < 5; ++i);
// expected-error@+2{{OpenACC 'gang' clause may have at most one unnamed or 'num' argument}}
// expected-note@+1{{previous expression is here}}
#pragma acc kernels loop gang(5, num:1)
for(int i = 0; i < 5; ++i);
// expected-error@+2{{OpenACC 'gang' clause may have at most one unnamed or 'num' argument}}
// expected-note@+1{{previous expression is here}}
#pragma acc kernels loop gang(num:5, 1)
for(int i = 0; i < 5; ++i);
// expected-error@+3{{OpenACC 'gang' clause may have at most one unnamed or 'num' argument}}
// expected-note@+2{{previous expression is here}}
#pragma acc kernels
#pragma acc kernels loop gang(num:5, num:1)
for(int i = 0; i < 5; ++i);
}
void MaxOneEntry() {
// expected-error@+2{{OpenACC 'gang' clause may have at most one 'static' argument}}
// expected-note@+1{{previous expression is here}}
#pragma acc kernels loop gang(static: 1, static:1)
for(int i = 0; i < 5; ++i);
#pragma acc kernels loop gang gang(static:1)
for(int i = 0; i < 5; ++i);
}
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