[llvm-bugs] [Bug 37997] Compiler generating assembly that causes a warning about incorrect section attributes when assembled

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Jul 16 18:40:35 PDT 2018


https://bugs.llvm.org/show_bug.cgi?id=37997

Douglas Yung <douglas_yung at playstation.sony.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---

--- Comment #2 from Douglas Yung <douglas_yung at playstation.sony.com> ---
I just realized there is another section that also has a similar issue.

Consider the following code:

/* test.cc */
class A {
public:
  A () {}
};

A a;

If you compile this to an assembly file, and then try to assemble the
compiler-generated assembly file, the compiler issues a warning.

clang -S test.cc -o test.s
clang -c test.s

test.s:23:2: warning: setting incorrect section attributes for .text._ZN1AC2Ev
        .section        .text._ZN1AC2Ev,"axG", at progbits,_ZN1AC2Ev,comdat
        ^

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