https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69329
--- Comment #1 from Mikhail Maltsev <miyuki at gcc dot gnu.org> --- I tried this patch: diff --git a/Makefile.in b/Makefile.in index 2733c4d..31ee4c0 100644 --- a/Makefile.in +++ b/Makefile.in @@ -789,7 +789,8 @@ BASE_FLAGS_TO_PASS = \ $(CXX_FOR_TARGET_FLAG_TO_PASS) \ "TFLAGS=$(TFLAGS)" \ "CONFIG_SHELL=$(SHELL)" \ - "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" + "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \ + "LSAN_OPTIONS=$(LSAN_OPTIONS)" # We leave this in just in case, but it is not needed anymore. RECURSE_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) diff --git a/Makefile.tpl b/Makefile.tpl index f7bb77e..860175e 100644 --- a/Makefile.tpl +++ b/Makefile.tpl @@ -590,7 +590,8 @@ BASE_FLAGS_TO_PASS =[+ FOR flags_to_pass +][+ IF optional +] \ $(CXX_FOR_TARGET_FLAG_TO_PASS) \ "TFLAGS=$(TFLAGS)" \ "CONFIG_SHELL=$(SHELL)" \ - "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" + "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \ + "LSAN_OPTIONS=$(LSAN_OPTIONS)" # We leave this in just in case, but it is not needed anymore. RECURSE_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) It fixes the issue but causes regressions for normal build (without ASAN instrumentation): Running target unix/-m32 FAIL: c-c++-common/asan/pr59063-2.c -O2 -flto -fno-use-linker-plugin -flto-partition=none (test for excess errors) UNRESOLVED: c-c++-common/asan/pr59063-2.c -O2 -flto -fno-use-linker-plugin -flto-partition=none compilation failed to produce executable FAIL: c-c++-common/asan/pr59063-2.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects (test for excess errors) UNRESOLVED: c-c++-common/asan/pr59063-2.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects compilation failed to produce executable "compilation failed to produce executable" actually means link errors (-lasan not found).