[Bug tdep/29419] [gdb, tdep/aarch64,ppc64le,s390x] FAIL: gdb.ada/inline-section-gc.exp: break callee.adb:22

["vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=29419

--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
Reproduces on x86_64-linux with "trust-producer" hardcoded to yes:
...
diff --git a/gdb/amd64-tdep.c b/gdb/amd64-tdep.c
index 0563b32a54b..5e87eb4f778 100644
--- a/gdb/amd64-tdep.c
+++ b/gdb/amd64-tdep.c
@@ -2538,16 +2538,21 @@ amd64_skip_prologue (struct gdbarch *gdbarch, CORE_ADD
R start_pc)
     {
       CORE_ADDR post_prologue_pc
        = skip_prologue_using_sal (gdbarch, func_addr);
+#if 0
       struct compunit_symtab *cust = find_pc_compunit_symtab (func_addr);
+#endif

       /* LLVM backend (Clang/Flang) always emits a line note before the
         prologue and another one after.  We trust clang and newer Intel
         compilers to emit usable line notes.  */
       if (post_prologue_pc
+#if 0
          && (cust != NULL
              && cust->producer () != nullptr
              && (producer_is_llvm (cust->producer ())
-             || producer_is_icc_ge_19 (cust->producer ()))))
+             || producer_is_icc_ge_19 (cust->producer ())))
+#endif
+         )
         return std::max (start_pc, post_prologue_pc);
     }

...

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