https://bugs.llvm.org/show_bug.cgi?id=36745
Bug ID: 36745
Summary: Debug info for variadic templates
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: kiranchandramo...@gmail.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
template<typename T>
T accumulator(T v) {
return v;
}
template<typename T, typename... Args>
T accumulator(T first, Args... args) {
return first + accumulator(args...);
}
int main()
{
long sum = accumulator(1, 3, 5, 7);
return sum;
}
The testcase is given above. This testcase is an example for variadic
templates. The debug info generated for this testcase by clang seems to be
incorrect. The accumulator is passed the values (1,3,5,7). All the non-first
elements are shown with value 7 at the breakpoint. Ideally they should be
first=1, args=3, args=5, args=7
Breakpoint 2, accumulator<int, int, int, int> (first=1, args=7, args=7, args=7)
at simple_var.cpp:8
8 return first + accumulator(args...);
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