[PATCH] dbghelp: don't use .debug_frame section if non present when unwinding

[Eric Pouech]

fixes: https://bugs.winehq.org/show_bug.cgi?id=52295

Signed-off-by: Eric Pouech <eric.pouech(a)gmail.com>

---
 dlls/dbghelp/dwarf.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/dbghelp/dwarf.c b/dlls/dbghelp/dwarf.c
index 70613317966..ea70fd915b4 100644
--- a/dlls/dbghelp/dwarf.c
+++ b/dlls/dbghelp/dwarf.c
@@ -3795,7 +3795,8 @@ static BOOL dwarf2_fetch_frame_info(struct module* module, struct cpu* cpu, LONG
         fde_ctx.data = modfmt->u.dwarf2_info->debug_frame.address;
         fde_ctx.end_data = fde_ctx.data + modfmt->u.dwarf2_info->debug_frame.size;
         delta = module->reloc_delta;
-        if (!dwarf2_get_cie(ip, module, delta, &fde_ctx, &cie_ctx, info, FALSE))
+        if (modfmt->u.dwarf2_info->debug_frame.address == IMAGE_NO_MAP ||
+            !dwarf2_get_cie(ip, module, delta, &fde_ctx, &cie_ctx, info, FALSE))
         {
             TRACE("Couldn't find information for %lx\n", ip);
             return FALSE;