}
if (MAI->doesSupportDebugInformation()) {
- if (Triple(TM.getTargetTriple()).isKnownWindowsMSVCEnvironment())
+ bool skip_dwarf = false;
+ if (Triple(TM.getTargetTriple()).isKnownWindowsMSVCEnvironment()) {
Handlers.push_back(HandlerInfo(new WinCodeViewLineTables(this),
DbgTimerName,
CodeViewLineTablesGroupName));
- DD = new DwarfDebug(this, &M);
- Handlers.push_back(HandlerInfo(DD, DbgTimerName, DWARFGroupName));
+ // FIXME: Don't emit DWARF debug info if there's at least one function
+ // with AddressSanitizer instrumentation.
+ // This is a band-aid fix for PR22032.
+ for (auto &F : M.functions()) {
+ if (F.hasFnAttribute(Attribute::SanitizeAddress)) {
+ skip_dwarf = true;
+ break;
+ }
+ }
+ }
+ if (!skip_dwarf) {
+ DD = new DwarfDebug(this, &M);
+ Handlers.push_back(HandlerInfo(DD, DbgTimerName, DWARFGroupName));
+ }
}
EHStreamer *ES = nullptr;
; X86-NEXT: calll ___asan_init_v3
; X86-NEXT: retl
+; Make sure we don't put any DWARF debug info for ASan-instrumented modules.
+; X86-NOT: DWARF
+
; ModuleID = 'asan.c'
target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
target triple = "i686-pc-win32"