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-rw-r--r--chromium/buildtools/third_party/libunwind/BUILD.gn11
1 files changed, 11 insertions, 0 deletions
diff --git a/chromium/buildtools/third_party/libunwind/BUILD.gn b/chromium/buildtools/third_party/libunwind/BUILD.gn
index 1e4fbcb8893..923f928f88f 100644
--- a/chromium/buildtools/third_party/libunwind/BUILD.gn
+++ b/chromium/buildtools/third_party/libunwind/BUILD.gn
@@ -11,7 +11,18 @@ config("libunwind_config") {
# ValueAsBitPattern in Unwind-EHABI.cpp is only used on Debug builds.
"-Wno-unused-function",
+
+ # libunwind expects to be compiled with unwind tables so it can
+ # unwind its own frames.
+ "-funwind-tables",
]
+
+ if (is_fuchsia) {
+ # Workaround for https://bugs.llvm.org/show_bug.cgi?id=45875:
+ # compiling the C code with -fexceptions ensures that accurate
+ # unwinding information is generated for _Unwind_RaiseException.
+ cflags_c = [ "-fexceptions" ]
+ }
}
source_set("libunwind") {