Avoid recompilation

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No description provided.

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Here are some stats for your PR:

• WARNING: the longest CI job test_big_inline took 2.33h
• are-we-fast-r suite regressed by 0.92
• real_thing suite regressed by 0.96
• shootout suite regressed by 0.94
• summary suite regressed by 0.95
• Bounce_nonames_simple regressed by 0.78
• Bounce_nonames regressed by 0.84
• flexclust_no_s4 regressed by 0.87
• flexclust regressed by 0.92
• fannkuchredux_naive regressed by 0.3
• reversecomplement regressed by 0.81
• reversecomplement_2 regressed by 0.85
• fannkuchredux regressed by 0.87
• fasta_naive regressed by 0.89
• nbody_3 regressed by 0.91
• nbody_naive_2 regressed by 0.93
• fastaredux regressed by 0.93
• fastaredux_naive regressed by 0.93
• reversecomplement_naive regressed by 0.93
• nbody_2 regressed by 0.94
• scalarFor regressed by 0.94
• Overall benchmarks regressed by 0.95

Please find your performance results at https://rir-benchmarks.prl.fit.cvut.cz/diff?job_ids[]=1465086095&job_ids[]=1464454453&selection=all

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Here are some stats for your PR:

• WARNING: the longest CI job test_release_2 took 2.01h
• fasta_naive regressed by 0.93
• fastaredux regressed by 0.94
• nbody regressed by 0.94
• Overall benchmarks improved by 1.0

Please find your performance results at https://rir-benchmarks.prl.fit.cvut.cz/diff?job_ids[]=1468205854&job_ids[]=1468139871&selection=all