[llvm-bugs] [Bug 36900] New: Wrong ast-printer output at __attribute__((nonnull(1)))

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36900

            Bug ID: 36900
           Summary: Wrong ast-printer output at
                    __attribute__((nonnull(1)))
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: simeonehrig at web.de
                CC: llvm-bugs at lists.llvm.org

The ast printer print the wrong index at the nonnull attribute. If the first
argument of a function should be nonnull, the nonnull attribute should have the
value 1, but the printer prints 0.

$ echo 'void foo(void*) __attribute__((nonnull(1)));' | clang -cc1 -x c++ -
-ast-print
void foo(void *) __attribute__((nonnull(0)));

The correct output should be
void foo(void *) __attribute__((nonnull(1)));

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