http://llvm.org/bugs/show_bug.cgi?id=12293
Bug #: 12293
Summary: Rejects valid shadowing of a for-range-declaration
Product: clang
Version: trunk
Platform: PC
OS/Version: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: C++0x
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
There appears to be nothing in the spec that forbids this:
int a[] = { 1, 2 };
for(int b : a) {
int b;
}
While for normal for-loops, their for-range-declaration is in the same
declarative region as names declared by the loop condition, which in turn is in
the same declarative region as all declarations in the outermost block of the
loop, I find no such thing for range-based for loops.
Clang follows GCC and rejects this testcase, but both are not
Standards-conforming if they behave this way and the spec allows such code.
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