[flang][AIX] filter out __builtin_c_devptr for generating packed type

[kkwli]

Filter out the recently add __builtin_c_devptr type when generating packed type on AIX.

[llvmbot]

@llvm/pr-subscribers-flang-fir-hlfir

Author: Kelvin Li (kkwli)

Changes

Filter out the recently add __builtin_c_devptr type when generating packed type on AIX.

---

Full diff: https://github.com/llvm/llvm-project/pull/122812.diff

1 Files Affected:

• (modified) flang/lib/Lower/ConvertType.cpp (+1-1)

diff --git a/flang/lib/Lower/ConvertType.cpp b/flang/lib/Lower/ConvertType.cpp
index 31b85ef2b5476c..037d4335fedf13 100644
--- a/flang/lib/Lower/ConvertType.cpp
+++ b/flang/lib/Lower/ConvertType.cpp
@@ -392,7 +392,7 @@ struct TypeBuilderImpl {
     // Always generate packed FIR struct type for bind(c) derived type for AIX
     if (targetTriple.getOS() == llvm::Triple::OSType::AIX &&
         tySpec.typeSymbol().attrs().test(Fortran::semantics::Attr::BIND_C) &&
-        !IsIsoCType(&tySpec)) {
+        !IsIsoCType(&tySpec) && !fir::isa_builtin_cdevptr_type(rec)) {
       rec.pack(true);
     }
 

[kkwli]

Fix build breakage - https://lab.llvm.org/buildbot/#/builders/201/builds/1315

[madanial0]

LGTM!