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Use -fno-strict-aliasing for emmalloc #424

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Merged
abrown merged 1 commit into from
Jun 23, 2023
Merged

Use -fno-strict-aliasing for emmalloc #424

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5 changes: 5 additions & 0 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -561,6 +561,11 @@ $(LIBC_TOP_HALF_ALL_OBJS) $(MUSL_PRINTSCAN_LONG_DOUBLE_OBJS) $(MUSL_PRINTSCAN_NO
$(LIBWASI_EMULATED_PROCESS_CLOCKS_OBJS): CFLAGS += \
-I$(LIBC_BOTTOM_HALF_CLOUDLIBC_SRC)

# emmalloc uses a lot of pointer type-punning, which is UB under strict aliasing,
# and this was found to have real miscompilations in wasi-libc#421.
$(EMMALLOC_OBJS): CFLAGS += \
-fno-strict-aliasing

include_dirs:
#
# Install the include files.
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