mirror of
https://github.com/Gericom/teak-llvm.git
synced 2025-06-19 11:35:51 -04:00
31939e39db
Clang emits error message for the following code:
```
template <class F> void parallel_loop(F &&f) { f(0); }
int main() {
int x;
parallel_loop([&](auto y) {
{
x = y;
};
});
}
```
$ clang++ --std=gnu++14 clang_test.cc -o clang_test
clang_test.cc:9:7: error: reference to local variable 'x' declared in enclosing function 'main'
x = y;
^
clang_test.cc:2:48: note: in instantiation of function template specialization 'main()::(anonymous class)::operator()<int>' requested here
template <class F> void parallel_loop(F &&f) { f(0); }
^
clang_test.cc:6:3: note: in instantiation of function template specialization 'parallel_loop<(lambda at clang_test.cc:6:17)>' requested here parallel_loop([&](auto y) {
^
clang_test.cc:5:7: note: 'x' declared here
int x;
^
1 error generated.
Patch fixes this issue.
llvm-svn: 286584
20 lines
450 B
C++
20 lines
450 B
C++
// RUN: %clang_cc1 -std=c++14 -verify -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck %s
|
|
// expected-no-diagnostics
|
|
|
|
template <class F> void parallel_loop(F &&f) { f(0); }
|
|
|
|
//CHECK-LABEL: @main
|
|
int main() {
|
|
// CHECK: [[X_ADDR:%.+]] = alloca i32,
|
|
int x;
|
|
// CHECK: getelementptr inbounds
|
|
// CHECK: store i32* [[X_ADDR]], i32** %
|
|
// CHECK: call
|
|
parallel_loop([&](auto y) {
|
|
#pragma clang __debug captured
|
|
{
|
|
x = y;
|
|
};
|
|
});
|
|
}
|