Jason Merrill
556248d7d2
c++: don't default -frange-for-ext-temps in -std=gnu++20 [PR188574]
...
Since -frange-for-ext-temps has been causing trouble, let's not enable it
by default in pre-C++23 GNU modes for GCC 15, and also allow disabling it in
C++23 and up.
PR c++/188574
gcc/c-family/ChangeLog:
* c-opts.cc (c_common_post_options): Only enable
-frange-for-ext-temps by default in C++23.
gcc/ChangeLog:
* doc/invoke.texi: Adjust -frange-for-ext-temps documentation.
gcc/testsuite/ChangeLog:
* g++.dg/cpp23/range-for3.C: Use -frange-for-ext-temps.
* g++.dg/cpp23/range-for4.C: Adjust expected result.
libgomp/ChangeLog:
* testsuite/libgomp.c++/range-for-4.C: Adjust expected result.
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