[browser][coreCLR] relink with -O3#130772
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Pull request overview
Updates the CoreCLR browser-wasm relink MSBuild targets to use -O3 as the default Emscripten optimization level (and explicitly for Release linking), aligning build output toward higher optimization.
Changes:
- Change the default
EmccCompileOptimizationFlagfallback from-O2to-O3. - Change the default Release
EmccLinkOptimizationFlagfrom-O2to-O3.
maraf
approved these changes
Jul 15, 2026
This was referenced Jul 15, 2026
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Fixes #108976
If it makes things worse in macro benchmark we could roll it back