https://bugs.llvm.org/show_bug.cgi?id=49970
Bug ID: 49970
Summary: range-based for compilation fails for libstdc++ vector
with -std=c++20
Product: OpenMP
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Clang Compiler Support
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
The following <vector> code compiles fine with C++17, and with C++20/libc++,
but fails with c++20 and libstdc++.
#include <vector>
void foo() {
std::vector<int> ints;
#pragma omp for
for (int i : ints); // error: condition of OpenMP for loop must be a
relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable
'__begin1'"
}
Live example: https://godbolt.org/z/1q6MxMP71
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