work around mingw32-gfortran 14.2 miscompiling CBLAS1 tests #5083

Job	Run time
build (ubuntu-latest, gfortran, cmake)	41m 35s
build (ubuntu-latest, gfortran, make)	16m 23s
build (ubuntu-latest, flang, cmake)	12m 38s
build (ubuntu-latest, flang, make)	7m 10s
cross_build (mips64el, mips64el-linux-gnuabi64, DYNAMIC_ARCH=1 TARGET=GENERIC)	5m 36s
build (macos-latest, gfortran, cmake)	27m 51s
msys2 (UCRT64, int32, Release)	16m 41s
cross_build (riscv64, riscv64-linux-gnu, TARGET=RISCV64_GENERIC)	10m 18s
build (macos-latest, gfortran, make)	3m 11s
msys2 (UCRT64, int64, Release)	15m 43s
cross_build (mipsel, mipsel-linux-gnu, TARGET=MIPS1004K)	5m 37s
msys2 (MINGW32, int32, Release)	19m 14s
cross_build (alpha, alpha-linux-gnu, TARGET=EV4)	4m 49s
msys2 (CLANG64, int32, Release)	16m 52s
msys2 (CLANG64, int64, Release)	15m 51s
msys2 (CLANG32, int32, Release)	12m 14s
msys2 (UCRT64, int32, None, mingw-w64-ucrt-x86_64, fc)	14m 45s
	4h 6m 28s

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