Turn test cases into UNSUPPORTED if running into 'sorry, unimplemented: dynamic stack allocation not supported'

In Subversion r217296 (Git commit e2acc079ff125a869159be45371dc0a29b230e92)
"Testsuite alloca fixes for ptx", effective-target 'alloca' was added to mark
up test cases that run into the nvptx back end's non-support of dynamic stack
allocation.  (Later, nvptx gained conditional support for that in
commit 3861d362ec7e3c50742fc43833fe9d8674f4070e
"nvptx: PTX 'alloca' for '-mptx=7.3'+, '-march=sm_52'+ [PR65181]", but on the
other hand, in commit f93a612fc4567652b75ffc916d31a446378e6613
"bpf: liberate R9 for general register allocation", the BPF back end joined
"the list of targets that do not support alloca in target-support.exp".

Manually maintaining the list of test cases requiring effective-target 'alloca'
is notoriously hard, gets out of date quickly: new test cases added to the test
suite may need to be analyzed and annotated, and over time annotations also may
need to be removed, in cases where the compiler learns to optimize out
'alloca'/VLA usage, for example.  This commit replaces (99 % of) the manual
annotations with an automatic scheme: turn test cases into UNSUPPORTED if
running into 'sorry, unimplemented: dynamic stack allocation not supported'.

	gcc/testsuite/
	* lib/target-supports.exp (check_effective_target_alloca):
	Gracefully handle the case that we've not be called (indirectly)
	from 'dg-test'.
	* lib/gcc-dg.exp (proc gcc-dg-prune): Turn
	'sorry, unimplemented: dynamic stack allocation not supported' into
	UNSUPPORTED.
	* c-c++-common/Walloca-larger-than.c: Don't
	'dg-require-effective-target alloca'.
	* c-c++-common/Warray-bounds-9.c: Likewise.
	* c-c++-common/Warray-bounds.c: Likewise.
	* c-c++-common/Wdangling-pointer-2.c: Likewise.
	* c-c++-common/Wdangling-pointer-4.c: Likewise.
	* c-c++-common/Wdangling-pointer-5.c: Likewise.
	* c-c++-common/Wdangling-pointer.c: Likewise.
	* c-c++-common/Wimplicit-fallthrough-7.c: Likewise.
	* c-c++-common/Wsizeof-pointer-memaccess1.c: Likewise.
	* c-c++-common/Wsizeof-pointer-memaccess2.c: Likewise.
	* c-c++-common/Wstringop-truncation.c: Likewise.
	* c-c++-common/Wunused-var-6.c: Likewise.
	* c-c++-common/Wunused-var-8.c: Likewise.
	* c-c++-common/analyzer/alloca-leak.c: Likewise.
	* c-c++-common/analyzer/allocation-size-multiline-2.c: Likewise.
	* c-c++-common/analyzer/allocation-size-multiline-3.c: Likewise.
	* c-c++-common/analyzer/capacity-1.c: Likewise.
	* c-c++-common/analyzer/capacity-3.c: Likewise.
	* c-c++-common/analyzer/imprecise-floating-point-1.c: Likewise.
	* c-c++-common/analyzer/infinite-recursion-alloca.c: Likewise.
	* c-c++-common/analyzer/malloc-callbacks.c: Likewise.
	* c-c++-common/analyzer/malloc-paths-8.c: Likewise.
	* c-c++-common/analyzer/out-of-bounds-5.c: Likewise.
	* c-c++-common/analyzer/out-of-bounds-diagram-11.c: Likewise.
	* c-c++-common/analyzer/uninit-alloca.c: Likewise.
	* c-c++-common/analyzer/write-to-string-literal-5.c: Likewise.
	* c-c++-common/asan/alloca_loop_unpoisoning.c: Likewise.
	* c-c++-common/auto-init-11.c: Likewise.
	* c-c++-common/auto-init-12.c: Likewise.
	* c-c++-common/auto-init-15.c: Likewise.
	* c-c++-common/auto-init-16.c: Likewise.
	* c-c++-common/builtins.c: Likewise.
	* c-c++-common/dwarf2/vla1.c: Likewise.
	* c-c++-common/gomp/pr61486-2.c: Likewise.
	* c-c++-common/torture/builtin-clear-padding-4.c: Likewise.
	* c-c++-common/torture/strub-run3.c: Likewise.
	* c-c++-common/torture/strub-run4.c: Likewise.
	* c-c++-common/torture/strub-run4c.c: Likewise.
	* c-c++-common/torture/strub-run4d.c: Likewise.
	* c-c++-common/torture/strub-run4i.c: Likewise.
	* g++.dg/Walloca1.C: Likewise.
	* g++.dg/Walloca2.C: Likewise.
	* g++.dg/cpp0x/pr70338.C: Likewise.
	* g++.dg/cpp1y/lambda-generic-vla1.C: Likewise.
	* g++.dg/cpp1y/vla10.C: Likewise.
	* g++.dg/cpp1y/vla2.C: Likewise.
	* g++.dg/cpp1y/vla6.C: Likewise.
	* g++.dg/cpp1y/vla8.C: Likewise.
	* g++.dg/debug/debug5.C: Likewise.
	* g++.dg/debug/debug6.C: Likewise.
	* g++.dg/debug/pr54828.C: Likewise.
	* g++.dg/diagnostic/pr70105.C: Likewise.
	* g++.dg/eh/cleanup5.C: Likewise.
	* g++.dg/eh/spbp.C: Likewise.
	* g++.dg/ext/builtin_alloca.C: Likewise.
	* g++.dg/ext/tmplattr9.C: Likewise.
	* g++.dg/ext/vla10.C: Likewise.
	* g++.dg/ext/vla11.C: Likewise.
	* g++.dg/ext/vla12.C: Likewise.
	* g++.dg/ext/vla15.C: Likewise.
	* g++.dg/ext/vla16.C: Likewise.
	* g++.dg/ext/vla17.C: Likewise.
	* g++.dg/ext/vla23.C: Likewise.
	* g++.dg/ext/vla3.C: Likewise.
	* g++.dg/ext/vla6.C: Likewise.
	* g++.dg/ext/vla7.C: Likewise.
	* g++.dg/init/array24.C: Likewise.
	* g++.dg/init/new47.C: Likewise.
	* g++.dg/init/pr55497.C: Likewise.
	* g++.dg/opt/pr78201.C: Likewise.
	* g++.dg/template/vla2.C: Likewise.
	* g++.dg/torture/Wsizeof-pointer-memaccess1.C: Likewise.
	* g++.dg/torture/Wsizeof-pointer-memaccess2.C: Likewise.
	* g++.dg/torture/pr62127.C: Likewise.
	* g++.dg/torture/pr67055.C: Likewise.
	* g++.dg/torture/stackalign/eh-alloca-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-inline-2.C: Likewise.
	* g++.dg/torture/stackalign/eh-vararg-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-vararg-2.C: Likewise.
	* g++.dg/warn/Wplacement-new-size-5.C: Likewise.
	* g++.dg/warn/Wsizeof-pointer-memaccess-1.C: Likewise.
	* g++.dg/warn/Wvla-1.C: Likewise.
	* g++.dg/warn/Wvla-3.C: Likewise.
	* g++.old-deja/g++.ext/array2.C: Likewise.
	* g++.old-deja/g++.ext/constructor.C: Likewise.
	* g++.old-deja/g++.law/builtin1.C: Likewise.
	* g++.old-deja/g++.other/crash12.C: Likewise.
	* g++.old-deja/g++.other/eh3.C: Likewise.
	* g++.old-deja/g++.pt/array6.C: Likewise.
	* g++.old-deja/g++.pt/dynarray.C: Likewise.
	* gcc.c-torture/compile/20000923-1.c: Likewise.
	* gcc.c-torture/compile/20030224-1.c: Likewise.
	* gcc.c-torture/compile/20071108-1.c: Likewise.
	* gcc.c-torture/compile/20071117-1.c: Likewise.
	* gcc.c-torture/compile/900313-1.c: Likewise.
	* gcc.c-torture/compile/parms.c: Likewise.
	* gcc.c-torture/compile/pr17397.c: Likewise.
	* gcc.c-torture/compile/pr35006.c: Likewise.
	* gcc.c-torture/compile/pr42956.c: Likewise.
	* gcc.c-torture/compile/pr51354.c: Likewise.
	* gcc.c-torture/compile/pr52714.c: Likewise.
	* gcc.c-torture/compile/pr55851.c: Likewise.
	* gcc.c-torture/compile/pr77754-1.c: Likewise.
	* gcc.c-torture/compile/pr77754-2.c: Likewise.
	* gcc.c-torture/compile/pr77754-3.c: Likewise.
	* gcc.c-torture/compile/pr77754-4.c: Likewise.
	* gcc.c-torture/compile/pr77754-5.c: Likewise.
	* gcc.c-torture/compile/pr77754-6.c: Likewise.
	* gcc.c-torture/compile/pr78439.c: Likewise.
	* gcc.c-torture/compile/pr79413.c: Likewise.
	* gcc.c-torture/compile/pr82564.c: Likewise.
	* gcc.c-torture/compile/pr87110.c: Likewise.
	* gcc.c-torture/compile/pr99787-1.c: Likewise.
	* gcc.c-torture/compile/vla-const-1.c: Likewise.
	* gcc.c-torture/compile/vla-const-2.c: Likewise.
	* gcc.c-torture/execute/20010209-1.c: Likewise.
	* gcc.c-torture/execute/20020314-1.c: Likewise.
	* gcc.c-torture/execute/20020412-1.c: Likewise.
	* gcc.c-torture/execute/20021113-1.c: Likewise.
	* gcc.c-torture/execute/20040223-1.c: Likewise.
	* gcc.c-torture/execute/20040308-1.c: Likewise.
	* gcc.c-torture/execute/20040811-1.c: Likewise.
	* gcc.c-torture/execute/20070824-1.c: Likewise.
	* gcc.c-torture/execute/20070919-1.c: Likewise.
	* gcc.c-torture/execute/built-in-setjmp.c: Likewise.
	* gcc.c-torture/execute/pr22061-1.c: Likewise.
	* gcc.c-torture/execute/pr43220.c: Likewise.
	* gcc.c-torture/execute/pr82210.c: Likewise.
	* gcc.c-torture/execute/pr86528.c: Likewise.
	* gcc.c-torture/execute/vla-dealloc-1.c: Likewise.
	* gcc.dg/20001012-2.c: Likewise.
	* gcc.dg/20020415-1.c: Likewise.
	* gcc.dg/20030331-2.c: Likewise.
	* gcc.dg/20101010-1.c: Likewise.
	* gcc.dg/Walloca-1.c: Likewise.
	* gcc.dg/Walloca-10.c: Likewise.
	* gcc.dg/Walloca-11.c: Likewise.
	* gcc.dg/Walloca-12.c: Likewise.
	* gcc.dg/Walloca-13.c: Likewise.
	* gcc.dg/Walloca-14.c: Likewise.
	* gcc.dg/Walloca-15.c: Likewise.
	* gcc.dg/Walloca-2.c: Likewise.
	* gcc.dg/Walloca-3.c: Likewise.
	* gcc.dg/Walloca-4.c: Likewise.
	* gcc.dg/Walloca-5.c: Likewise.
	* gcc.dg/Walloca-6.c: Likewise.
	* gcc.dg/Walloca-7.c: Likewise.
	* gcc.dg/Walloca-8.c: Likewise.
	* gcc.dg/Walloca-9.c: Likewise.
	* gcc.dg/Walloca-larger-than-2.c: Likewise.
	* gcc.dg/Walloca-larger-than-3.c: Likewise.
	* gcc.dg/Walloca-larger-than-4.c: Likewise.
	* gcc.dg/Walloca-larger-than.c: Likewise.
	* gcc.dg/Warray-bounds-22.c: Likewise.
	* gcc.dg/Warray-bounds-41.c: Likewise.
	* gcc.dg/Warray-bounds-46.c: Likewise.
	* gcc.dg/Warray-bounds-48-novec.c: Likewise.
	* gcc.dg/Warray-bounds-48.c: Likewise.
	* gcc.dg/Warray-bounds-50.c: Likewise.
	* gcc.dg/Warray-bounds-63.c: Likewise.
	* gcc.dg/Warray-bounds-66.c: Likewise.
	* gcc.dg/Wdangling-pointer.c: Likewise.
	* gcc.dg/Wfree-nonheap-object-2.c: Likewise.
	* gcc.dg/Wfree-nonheap-object.c: Likewise.
	* gcc.dg/Wrestrict-17.c: Likewise.
	* gcc.dg/Wrestrict.c: Likewise.
	* gcc.dg/Wreturn-local-addr-2.c: Likewise.
	* gcc.dg/Wreturn-local-addr-3.c: Likewise.
	* gcc.dg/Wreturn-local-addr-4.c: Likewise.
	* gcc.dg/Wreturn-local-addr-6.c: Likewise.
	* gcc.dg/Wsizeof-pointer-memaccess1.c: Likewise.
	* gcc.dg/Wstack-usage.c: Likewise.
	* gcc.dg/Wstrict-aliasing-bogus-vla-1.c: Likewise.
	* gcc.dg/Wstrict-overflow-27.c: Likewise.
	* gcc.dg/Wstringop-overflow-15.c: Likewise.
	* gcc.dg/Wstringop-overflow-23.c: Likewise.
	* gcc.dg/Wstringop-overflow-25.c: Likewise.
	* gcc.dg/Wstringop-overflow-27.c: Likewise.
	* gcc.dg/Wstringop-overflow-3.c: Likewise.
	* gcc.dg/Wstringop-overflow-39.c: Likewise.
	* gcc.dg/Wstringop-overflow-56.c: Likewise.
	* gcc.dg/Wstringop-overflow-57.c: Likewise.
	* gcc.dg/Wstringop-overflow-67.c: Likewise.
	* gcc.dg/Wstringop-overflow-71.c: Likewise.
	* gcc.dg/Wstringop-truncation-3.c: Likewise.
	* gcc.dg/Wvla-larger-than-1.c: Likewise.
	* gcc.dg/Wvla-larger-than-2.c: Likewise.
	* gcc.dg/Wvla-larger-than-3.c: Likewise.
	* gcc.dg/Wvla-larger-than-4.c: Likewise.
	* gcc.dg/Wvla-larger-than-5.c: Likewise.
	* gcc.dg/analyzer/boxed-malloc-1.c: Likewise.
	* gcc.dg/analyzer/call-summaries-2.c: Likewise.
	* gcc.dg/analyzer/malloc-1.c: Likewise.
	* gcc.dg/analyzer/malloc-reuse.c: Likewise.
	* gcc.dg/analyzer/out-of-bounds-diagram-12.c: Likewise.
	* gcc.dg/analyzer/pr93355-localealias.c: Likewise.
	* gcc.dg/analyzer/putenv-1.c: Likewise.
	* gcc.dg/analyzer/taint-alloc-1.c: Likewise.
	* gcc.dg/analyzer/torture/pr93373.c: Likewise.
	* gcc.dg/analyzer/torture/ubsan-1.c: Likewise.
	* gcc.dg/analyzer/vla-1.c: Likewise.
	* gcc.dg/atomic/stdatomic-vm.c: Likewise.
	* gcc.dg/attr-alloc_size-6.c: Likewise.
	* gcc.dg/attr-alloc_size-7.c: Likewise.
	* gcc.dg/attr-alloc_size-8.c: Likewise.
	* gcc.dg/attr-alloc_size-9.c: Likewise.
	* gcc.dg/attr-noipa.c: Likewise.
	* gcc.dg/auto-init-uninit-36.c: Likewise.
	* gcc.dg/auto-init-uninit-9.c: Likewise.
	* gcc.dg/auto-type-1.c: Likewise.
	* gcc.dg/builtin-alloc-size.c: Likewise.
	* gcc.dg/builtin-dynamic-alloc-size.c: Likewise.
	* gcc.dg/builtin-dynamic-object-size-1.c: Likewise.
	* gcc.dg/builtin-dynamic-object-size-2.c: Likewise.
	* gcc.dg/builtin-dynamic-object-size-3.c: Likewise.
	* gcc.dg/builtin-dynamic-object-size-4.c: Likewise.
	* gcc.dg/builtin-object-size-1.c: Likewise.
	* gcc.dg/builtin-object-size-2.c: Likewise.
	* gcc.dg/builtin-object-size-3.c: Likewise.
	* gcc.dg/builtin-object-size-4.c: Likewise.
	* gcc.dg/builtins-64.c: Likewise.
	* gcc.dg/builtins-68.c: Likewise.
	* gcc.dg/c23-auto-2.c: Likewise.
	* gcc.dg/c99-const-expr-13.c: Likewise.
	* gcc.dg/c99-vla-1.c: Likewise.
	* gcc.dg/fold-alloca-1.c: Likewise.
	* gcc.dg/gomp/pr30494.c: Likewise.
	* gcc.dg/gomp/vla-2.c: Likewise.
	* gcc.dg/gomp/vla-3.c: Likewise.
	* gcc.dg/gomp/vla-4.c: Likewise.
	* gcc.dg/gomp/vla-5.c: Likewise.
	* gcc.dg/graphite/pr99085.c: Likewise.
	* gcc.dg/guality/guality.c: Likewise.
	* gcc.dg/lto/pr80778_0.c: Likewise.
	* gcc.dg/nested-func-10.c: Likewise.
	* gcc.dg/nested-func-12.c: Likewise.
	* gcc.dg/nested-func-13.c: Likewise.
	* gcc.dg/nested-func-14.c: Likewise.
	* gcc.dg/nested-func-15.c: Likewise.
	* gcc.dg/nested-func-16.c: Likewise.
	* gcc.dg/nested-func-17.c: Likewise.
	* gcc.dg/nested-func-9.c: Likewise.
	* gcc.dg/packed-vla.c: Likewise.
	* gcc.dg/pr100225.c: Likewise.
	* gcc.dg/pr25682.c: Likewise.
	* gcc.dg/pr27301.c: Likewise.
	* gcc.dg/pr31507-1.c: Likewise.
	* gcc.dg/pr33238.c: Likewise.
	* gcc.dg/pr41470.c: Likewise.
	* gcc.dg/pr49120.c: Likewise.
	* gcc.dg/pr50764.c: Likewise.
	* gcc.dg/pr51491-2.c: Likewise.
	* gcc.dg/pr51990-2.c: Likewise.
	* gcc.dg/pr51990.c: Likewise.
	* gcc.dg/pr59011.c: Likewise.
	* gcc.dg/pr59523.c: Likewise.
	* gcc.dg/pr61561.c: Likewise.
	* gcc.dg/pr78468.c: Likewise.
	* gcc.dg/pr78902.c: Likewise.
	* gcc.dg/pr79972.c: Likewise.
	* gcc.dg/pr82875.c: Likewise.
	* gcc.dg/pr83844.c: Likewise.
	* gcc.dg/pr84131.c: Likewise.
	* gcc.dg/pr87099.c: Likewise.
	* gcc.dg/pr87320.c: Likewise.
	* gcc.dg/pr89045.c: Likewise.
	* gcc.dg/pr91014.c: Likewise.
	* gcc.dg/pr93986.c: Likewise.
	* gcc.dg/pr98721-1.c: Likewise.
	* gcc.dg/pr99122-2.c: Likewise.
	* gcc.dg/shrink-wrap-alloca.c: Likewise.
	* gcc.dg/sso-14.c: Likewise.
	* gcc.dg/strlenopt-62.c: Likewise.
	* gcc.dg/strlenopt-83.c: Likewise.
	* gcc.dg/strlenopt-84.c: Likewise.
	* gcc.dg/strlenopt-91.c: Likewise.
	* gcc.dg/torture/Wsizeof-pointer-memaccess1.c: Likewise.
	* gcc.dg/torture/calleesave-sse.c: Likewise.
	* gcc.dg/torture/pr48953.c: Likewise.
	* gcc.dg/torture/pr71881.c: Likewise.
	* gcc.dg/torture/pr71901.c: Likewise.
	* gcc.dg/torture/pr78742.c: Likewise.
	* gcc.dg/torture/pr92088-1.c: Likewise.
	* gcc.dg/torture/pr92088-2.c: Likewise.
	* gcc.dg/torture/pr93124.c: Likewise.
	* gcc.dg/torture/pr94479.c: Likewise.
	* gcc.dg/torture/stackalign/alloca-1.c: Likewise.
	* gcc.dg/torture/stackalign/inline-2.c: Likewise.
	* gcc.dg/torture/stackalign/nested-3.c: Likewise.
	* gcc.dg/torture/stackalign/vararg-1.c: Likewise.
	* gcc.dg/torture/stackalign/vararg-2.c: Likewise.
	* gcc.dg/tree-ssa/20030807-2.c: Likewise.
	* gcc.dg/tree-ssa/20080530.c: Likewise.
	* gcc.dg/tree-ssa/alias-37.c: Likewise.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-22.c: Likewise.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-25.c: Likewise.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: Likewise.
	* gcc.dg/tree-ssa/loop-interchange-15.c: Likewise.
	* gcc.dg/tree-ssa/pr23848-1.c: Likewise.
	* gcc.dg/tree-ssa/pr23848-2.c: Likewise.
	* gcc.dg/tree-ssa/pr23848-3.c: Likewise.
	* gcc.dg/tree-ssa/pr23848-4.c: Likewise.
	* gcc.dg/uninit-32.c: Likewise.
	* gcc.dg/uninit-36.c: Likewise.
	* gcc.dg/uninit-39.c: Likewise.
	* gcc.dg/uninit-41.c: Likewise.
	* gcc.dg/uninit-9-O0.c: Likewise.
	* gcc.dg/uninit-9.c: Likewise.
	* gcc.dg/uninit-pr100250.c: Likewise.
	* gcc.dg/uninit-pr101300.c: Likewise.
	* gcc.dg/uninit-pr101494.c: Likewise.
	* gcc.dg/uninit-pr98583.c: Likewise.
	* gcc.dg/vla-2.c: Likewise.
	* gcc.dg/vla-22.c: Likewise.
	* gcc.dg/vla-24.c: Likewise.
	* gcc.dg/vla-3.c: Likewise.
	* gcc.dg/vla-4.c: Likewise.
	* gcc.dg/vla-stexp-1.c: Likewise.
	* gcc.dg/vla-stexp-2.c: Likewise.
	* gcc.dg/vla-stexp-4.c: Likewise.
	* gcc.dg/vla-stexp-5.c: Likewise.
	* gcc.dg/winline-7.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-1.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-10.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-2.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-3.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-4.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-5.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-6.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-7.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-8.c: Likewise.
	* gcc.target/aarch64/stack-check-alloca-9.c: Likewise.
	* gcc.target/arc/interrupt-6.c: Likewise.
	* gcc.target/i386/pr80969-3.c: Likewise.
	* gcc.target/loongarch/stack-check-alloca-1.c: Likewise.
	* gcc.target/loongarch/stack-check-alloca-2.c: Likewise.
	* gcc.target/loongarch/stack-check-alloca-3.c: Likewise.
	* gcc.target/loongarch/stack-check-alloca-4.c: Likewise.
	* gcc.target/loongarch/stack-check-alloca-5.c: Likewise.
	* gcc.target/loongarch/stack-check-alloca-6.c: Likewise.
	* gcc.target/riscv/stack-check-alloca-1.c: Likewise.
	* gcc.target/riscv/stack-check-alloca-10.c: Likewise.
	* gcc.target/riscv/stack-check-alloca-2.c: Likewise.
	* gcc.target/riscv/stack-check-alloca-3.c: Likewise.
	* gcc.target/riscv/stack-check-alloca-4.c: Likewise.
	* gcc.target/riscv/stack-check-alloca-5.c: Likewise.
	* gcc.target/riscv/stack-check-alloca-6.c: Likewise.
	* gcc.target/riscv/stack-check-alloca-7.c: Likewise.
	* gcc.target/riscv/stack-check-alloca-8.c: Likewise.
	* gcc.target/riscv/stack-check-alloca-9.c: Likewise.
	* gcc.target/sparc/setjmp-1.c: Likewise.
	* gcc.target/x86_64/abi/ms-sysv/ms-sysv.c: Likewise.
	* gcc.c-torture/compile/20001221-1.c: Don't 'dg-skip-if'
	for '! alloca'.
	* gcc.c-torture/compile/20020807-1.c: Likewise.
	* gcc.c-torture/compile/20050801-2.c: Likewise.
	* gcc.c-torture/compile/920428-4.c: Likewise.
	* gcc.c-torture/compile/debugvlafunction-1.c: Likewise.
	* gcc.c-torture/compile/pr41469.c: Likewise.
	* gcc.c-torture/execute/920721-2.c: Likewise.
	* gcc.c-torture/execute/920929-1.c: Likewise.
	* gcc.c-torture/execute/921017-1.c: Likewise.
	* gcc.c-torture/execute/941202-1.c: Likewise.
	* gcc.c-torture/execute/align-nest.c: Likewise.
	* gcc.c-torture/execute/alloca-1.c: Likewise.
	* gcc.c-torture/execute/pr22061-4.c: Likewise.
	* gcc.c-torture/execute/pr36321.c: Likewise.
	* gcc.dg/torture/pr8081.c: Likewise.
	* gcc.dg/analyzer/data-model-1.c: Don't
	'dg-require-effective-target alloca'.  XFAIL relevant
	'dg-warning's for '! alloca'.
	* gcc.dg/uninit-38.c: Likewise.
	* gcc.dg/uninit-pr98578.c: Likewise.
	* gcc.dg/compat/struct-by-value-22_main.c: Comment on
	'dg-require-effective-target alloca'.
	libstdc++-v3/
	* testsuite/lib/prune.exp (proc libstdc++-dg-prune): Turn
	'sorry, unimplemented: dynamic stack allocation not supported' into
	UNSUPPORTED.

40 files changed, 8 insertions, 51 deletions

diff --git a/gcc/testsuite/c-c++-common/Walloca-larger-than.c b/gcc/testsuite/c-c++-common/Walloca-larger-than.c
index 6fdc1de..e7851ea 100644
--- a/gcc/testsuite/c-c++-common/Walloca-larger-than.c
+++ b/gcc/testsuite/c-c++-common/Walloca-larger-than.c
@@ -1,7 +1,6 @@
 /* PR middle-end/100425 - missing -Walloca-larger-than with -O0
    { dg-do compile }
-   { dg-options "-O0 -Wall -Walloca-larger-than=128" }
-   { dg-require-effective-target alloca } */
+   { dg-options "-O0 -Wall -Walloca-larger-than=128" } */
 
 typedef __SIZE_TYPE__ size_t;
 
diff --git a/gcc/testsuite/c-c++-common/Warray-bounds-9.c b/gcc/testsuite/c-c++-common/Warray-bounds-9.c
index 3b5cdfe..be05775 100644
--- a/gcc/testsuite/c-c++-common/Warray-bounds-9.c
+++ b/gcc/testsuite/c-c++-common/Warray-bounds-9.c
@@ -1,8 +1,7 @@
 /* PR tree-optimization/99121 - ICE in -Warray-bounds on a multidimensional
    VLA
    { dg-do compile }
-   { dg-options "-O2 -Wall -ftrack-macro-expansion=0" }
-   { dg-require-effective-target alloca } */
+   { dg-options "-O2 -Wall -ftrack-macro-expansion=0" } */
 
 #define NOIPA __attribute__ ((noipa))
 
diff --git a/gcc/testsuite/c-c++-common/Warray-bounds.c b/gcc/testsuite/c-c++-common/Warray-bounds.c
index ce5827d..0cd4da0 100644
--- a/gcc/testsuite/c-c++-common/Warray-bounds.c
+++ b/gcc/testsuite/c-c++-common/Warray-bounds.c
@@ -1,7 +1,6 @@
 /* PR tree-optimization/82588 - missing -Warray-bounds on an excessively
    large index
    { dg-do compile }
-   { dg-require-effective-target alloca }
    { dg-options "-O2 -Warray-bounds -Wno-stringop-overread -ftrack-macro-expansion=0" }  */
 
 #include "../gcc.dg/range.h"
diff --git a/gcc/testsuite/c-c++-common/Wdangling-pointer-2.c b/gcc/testsuite/c-c++-common/Wdangling-pointer-2.c
index 20f11b2..527e5e7 100644
--- a/gcc/testsuite/c-c++-common/Wdangling-pointer-2.c
+++ b/gcc/testsuite/c-c++-common/Wdangling-pointer-2.c
@@ -2,8 +2,7 @@
    variable within the same function
    Exercise basic cases of -Wdangling-pointer with optimization.
    { dg-do compile }
-   { dg-options "-O2 -Wall -Wno-uninitialized -Wno-return-local-addr -ftrack-macro-expansion=0" }
-   { dg-require-effective-target alloca } */
+   { dg-options "-O2 -Wall -Wno-uninitialized -Wno-return-local-addr -ftrack-macro-expansion=0" } */
 
 typedef __INTPTR_TYPE__ intptr_t;
 typedef __SIZE_TYPE__   size_t;
diff --git a/gcc/testsuite/c-c++-common/Wdangling-pointer-4.c b/gcc/testsuite/c-c++-common/Wdangling-pointer-4.c
index a747aab..e57e66f 100644
--- a/gcc/testsuite/c-c++-common/Wdangling-pointer-4.c
+++ b/gcc/testsuite/c-c++-common/Wdangling-pointer-4.c
@@ -2,8 +2,7 @@
    variable within the same function
    Exercise -Wdangling-pointer for VLAs.
    { dg-do compile }
-   { dg-options "-O0 -Wall -ftrack-macro-expansion=0" }
-   { dg-require-effective-target alloca } */
+   { dg-options "-O0 -Wall -ftrack-macro-expansion=0" } */
 
 void sink (void*, ...);
 
diff --git a/gcc/testsuite/c-c++-common/Wdangling-pointer-5.c b/gcc/testsuite/c-c++-common/Wdangling-pointer-5.c
index cb6da9e..3a8f542 100644
--- a/gcc/testsuite/c-c++-common/Wdangling-pointer-5.c
+++ b/gcc/testsuite/c-c++-common/Wdangling-pointer-5.c
@@ -3,8 +3,7 @@
    Exercise -Wdangling-pointer for escaping stores of addreses of auto
    variables.
    { dg-do compile }
-   { dg-options "-O0 -Wall -ftrack-macro-expansion=0" }
-   { dg-require-effective-target alloca } */
+   { dg-options "-O0 -Wall -ftrack-macro-expansion=0" } */
 
 void* alloca (__SIZE_TYPE__);
 
diff --git a/gcc/testsuite/c-c++-common/Wdangling-pointer.c b/gcc/testsuite/c-c++-common/Wdangling-pointer.c
index 0a18c3c..394ff92 100644
--- a/gcc/testsuite/c-c++-common/Wdangling-pointer.c
+++ b/gcc/testsuite/c-c++-common/Wdangling-pointer.c
@@ -2,8 +2,7 @@
    variable within the same function
    Exercise basic cases of -Wdangling-pointer without optimization.
    { dg-do compile }
-   { dg-options "-O0 -Wall -Wno-uninitialized -ftrack-macro-expansion=0" }
-   { dg-require-effective-target alloca } */
+   { dg-options "-O0 -Wall -Wno-uninitialized -ftrack-macro-expansion=0" } */
 
 typedef __INTPTR_TYPE__ intptr_t;
 typedef __SIZE_TYPE__   size_t;
diff --git a/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-7.c b/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-7.c
index 343b625..323fbe6 100644
--- a/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-7.c
+++ b/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-7.c
@@ -1,6 +1,5 @@
 /* PR c/7652 */
 /* { dg-do compile } */
-/* { dg-require-effective-target alloca } */
 /* { dg-options "-Wimplicit-fallthrough" } */
 
 extern void bar (int);
diff --git a/gcc/testsuite/c-c++-common/Wsizeof-pointer-memaccess1.c b/gcc/testsuite/c-c++-common/Wsizeof-pointer-memaccess1.c
index 6c8866d..d204e5f 100644
--- a/gcc/testsuite/c-c++-common/Wsizeof-pointer-memaccess1.c
+++ b/gcc/testsuite/c-c++-common/Wsizeof-pointer-memaccess1.c
@@ -2,7 +2,6 @@
 /* { dg-do compile } */
 /* { dg-options "-Wall -Wno-array-bounds -Wno-sizeof-array-argument -Wno-stringop-overflow -Wno-stringop-overread" } */
 /* { dg-options "-Wall -Wno-array-bounds -Wno-sizeof-array-argument -Wno-c++-compat -Wno-stringop-overflow -Wno-stringop-overread" { target c } } */
-/* { dg-require-effective-target alloca } */
 
 typedef __SIZE_TYPE__ size_t;
 #ifdef __cplusplus
diff --git a/gcc/testsuite/c-c++-common/Wsizeof-pointer-memaccess2.c b/gcc/testsuite/c-c++-common/Wsizeof-pointer-memaccess2.c
index d9a1555..d2f6260 100644
--- a/gcc/testsuite/c-c++-common/Wsizeof-pointer-memaccess2.c
+++ b/gcc/testsuite/c-c++-common/Wsizeof-pointer-memaccess2.c
@@ -2,7 +2,6 @@
 /* { dg-do compile } */
 /* { dg-options "-Wall -O2 -Wno-array-bounds -Wno-sizeof-array-argument -Wno-stringop-truncation -ftrack-macro-expansion=0" } */
 /* { dg-options "-Wall -O2 -Wno-array-bounds -Wno-sizeof-array-argument -Wno-stringop-truncation -Wno-c++-compat -ftrack-macro-expansion=0" {target c} } */
-/* { dg-require-effective-target alloca } */
 
 #define bos(ptr) __builtin_object_size (ptr, 1)
 #define bos0(ptr) __builtin_object_size (ptr, 0)
diff --git a/gcc/testsuite/c-c++-common/Wstringop-truncation.c b/gcc/testsuite/c-c++-common/Wstringop-truncation.c
index 114837b..57b61cd 100644
--- a/gcc/testsuite/c-c++-common/Wstringop-truncation.c
+++ b/gcc/testsuite/c-c++-common/Wstringop-truncation.c
@@ -1,7 +1,6 @@
 /* PR middle-end/81117 - Improve buffer overflow checking in strncpy
    { dg-do compile }
-   { dg-options "-O2 -Wstringop-truncation -Wno-stringop-overflow -ftrack-macro-expansion=0" }
-   { dg-require-effective-target alloca } */
+   { dg-options "-O2 -Wstringop-truncation -Wno-stringop-overflow -ftrack-macro-expansion=0" } */
 
 
 typedef __SIZE_TYPE__ size_t;
diff --git a/gcc/testsuite/c-c++-common/Wunused-var-6.c b/gcc/testsuite/c-c++-common/Wunused-var-6.c
index 12a7ddd..1217719 100644
--- a/gcc/testsuite/c-c++-common/Wunused-var-6.c
+++ b/gcc/testsuite/c-c++-common/Wunused-var-6.c
@@ -1,7 +1,6 @@
 /* PR c/43981 */
 /* { dg-do compile } */
 /* { dg-options "-Wunused" } */
-/* { dg-require-effective-target alloca } */
 
 void g (char *);
 
diff --git a/gcc/testsuite/c-c++-common/Wunused-var-8.c b/gcc/testsuite/c-c++-common/Wunused-var-8.c
index 8c49ed2..0923b35 100644
--- a/gcc/testsuite/c-c++-common/Wunused-var-8.c
+++ b/gcc/testsuite/c-c++-common/Wunused-var-8.c
@@ -1,7 +1,6 @@
 /* Origin: PR c++/44108 */
 /* { dg-options "-Wunused" } */
 /* { dg-do compile } */
-/* { dg-require-effective-target alloca } */
 
 int
 foo ()
diff --git a/gcc/testsuite/c-c++-common/analyzer/alloca-leak.c b/gcc/testsuite/c-c++-common/analyzer/alloca-leak.c
index 073f97e..f8b034f 100644
--- a/gcc/testsuite/c-c++-common/analyzer/alloca-leak.c
+++ b/gcc/testsuite/c-c++-common/analyzer/alloca-leak.c
@@ -1,5 +1,3 @@
-/* { dg-require-effective-target alloca } */
-
 void *test (void)
 {
   void *ptr = __builtin_alloca (64);
diff --git a/gcc/testsuite/c-c++-common/analyzer/allocation-size-multiline-2.c b/gcc/testsuite/c-c++-common/analyzer/allocation-size-multiline-2.c
index cfd6b4f..5de7817 100644
--- a/gcc/testsuite/c-c++-common/analyzer/allocation-size-multiline-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/allocation-size-multiline-2.c
@@ -1,5 +1,4 @@
 /* { dg-additional-options "-fdiagnostics-path-format=inline-events -fdiagnostics-show-caret -fanalyzer-fine-grained" } */
-/* { dg-require-effective-target alloca } */
 
 #include <stdint.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/allocation-size-multiline-3.c b/gcc/testsuite/c-c++-common/analyzer/allocation-size-multiline-3.c
index eeb5219..171a838 100644
--- a/gcc/testsuite/c-c++-common/analyzer/allocation-size-multiline-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/allocation-size-multiline-3.c
@@ -2,7 +2,6 @@
    macro in a system header), and that the output looks correct.  */
 
 /* { dg-additional-options "-fdiagnostics-path-format=inline-events -fdiagnostics-show-caret -fanalyzer-fine-grained" } */
-/* { dg-require-effective-target alloca } */
 
 #include <stdint.h>
 #include "../../gcc.dg/analyzer/test-alloca.h"
diff --git a/gcc/testsuite/c-c++-common/analyzer/capacity-1.c b/gcc/testsuite/c-c++-common/analyzer/capacity-1.c
index 76905a6..a7674b2 100644
--- a/gcc/testsuite/c-c++-common/analyzer/capacity-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/capacity-1.c
@@ -1,4 +1,3 @@
-/* { dg-require-effective-target alloca } */
 /* { dg-skip-if "" { powerpc*-*-aix* } } */
 /* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/capacity-3.c b/gcc/testsuite/c-c++-common/analyzer/capacity-3.c
index 2fcf707..4d158b5 100644
--- a/gcc/testsuite/c-c++-common/analyzer/capacity-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/capacity-3.c
@@ -1,4 +1,3 @@
-/* { dg-require-effective-target alloca } */
 /* { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } } */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/imprecise-floating-point-1.c b/gcc/testsuite/c-c++-common/analyzer/imprecise-floating-point-1.c
index b093a3c..d3c4798 100644
--- a/gcc/testsuite/c-c++-common/analyzer/imprecise-floating-point-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/imprecise-floating-point-1.c
@@ -1,4 +1,3 @@
-/* { dg-require-effective-target alloca } */
 /* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/infinite-recursion-alloca.c b/gcc/testsuite/c-c++-common/analyzer/infinite-recursion-alloca.c
index 87727e8..8c50631 100644
--- a/gcc/testsuite/c-c++-common/analyzer/infinite-recursion-alloca.c
+++ b/gcc/testsuite/c-c++-common/analyzer/infinite-recursion-alloca.c
@@ -1,5 +1,3 @@
-/* { dg-require-effective-target alloca } */
-
 typedef __SIZE_TYPE__ size_t;
 
 int test_alloca_1 (void)
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-callbacks.c b/gcc/testsuite/c-c++-common/analyzer/malloc-callbacks.c
index 422b403..486447c 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-callbacks.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-callbacks.c
@@ -1,4 +1,3 @@
-/* { dg-require-effective-target alloca } */
 /* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-8.c b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-8.c
index ca48834..77e3e02 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-8.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-8.c
@@ -1,5 +1,4 @@
 /* { dg-additional-options "-fanalyzer-transitivity" } */
-/* { dg-require-effective-target alloca } */
 /* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stddef.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-5.c b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-5.c
index 4d15b16..3501d300 100644
--- a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-5.c
+++ b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-5.c
@@ -1,5 +1,4 @@
 /* { dg-additional-options "-Wno-unused-but-set-variable" } */
-/* { dg-require-effective-target alloca } */
 
 #include <string.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-11.c b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-11.c
index 048a1b9..89d1566 100644
--- a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-11.c
+++ b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-11.c
@@ -1,5 +1,4 @@
 /* { dg-additional-options "-fdiagnostics-text-art-charset=unicode" } */
-/* { dg-require-effective-target alloca } */
 
 #include <stdlib.h>
 #include <stdint.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/uninit-alloca.c b/gcc/testsuite/c-c++-common/analyzer/uninit-alloca.c
index d8c8421..82ed599 100644
--- a/gcc/testsuite/c-c++-common/analyzer/uninit-alloca.c
+++ b/gcc/testsuite/c-c++-common/analyzer/uninit-alloca.c
@@ -1,5 +1,3 @@
-/* { dg-require-effective-target alloca } */
-
 int test_1 (void)
 {
   int *p = (int *) __builtin_alloca (sizeof (int)); /* { dg-message "region created on stack here" } */
diff --git a/gcc/testsuite/c-c++-common/analyzer/write-to-string-literal-5.c b/gcc/testsuite/c-c++-common/analyzer/write-to-string-literal-5.c
index a949f15..2ecad8c 100644
--- a/gcc/testsuite/c-c++-common/analyzer/write-to-string-literal-5.c
+++ b/gcc/testsuite/c-c++-common/analyzer/write-to-string-literal-5.c
@@ -2,7 +2,6 @@
    notes) works.  */
 
 /* { dg-additional-options "-fanalyzer-show-duplicate-count" } */
-/* { dg-require-effective-target alloca } */
 
 #include "../../gcc.dg/analyzer/analyzer-decls.h"
 
diff --git a/gcc/testsuite/c-c++-common/asan/alloca_loop_unpoisoning.c b/gcc/testsuite/c-c++-common/asan/alloca_loop_unpoisoning.c
index 86f0ce6..d52ca78 100644
--- a/gcc/testsuite/c-c++-common/asan/alloca_loop_unpoisoning.c
+++ b/gcc/testsuite/c-c++-common/asan/alloca_loop_unpoisoning.c
@@ -1,5 +1,4 @@
 /* { dg-do run } */
-/* { dg-require-effective-target alloca } */
 /* { dg-options "--param=asan-use-after-return=0" } */
 
 /* This testcase checks that allocas and VLAs inside loop are correctly unpoisoned.  */
diff --git a/gcc/testsuite/c-c++-common/auto-init-11.c b/gcc/testsuite/c-c++-common/auto-init-11.c
index aafa215..6eb4687 100644
--- a/gcc/testsuite/c-c++-common/auto-init-11.c
+++ b/gcc/testsuite/c-c++-common/auto-init-11.c
@@ -1,7 +1,6 @@
 /* Verify zero initialization for VLA automatic variables.  */
 /* { dg-do compile } */
 /* { dg-options "-ftrivial-auto-var-init=zero -fdump-tree-gimple" } */
-/* { dg-require-effective-target alloca } */
 
 extern void bar (int);
 
diff --git a/gcc/testsuite/c-c++-common/auto-init-12.c b/gcc/testsuite/c-c++-common/auto-init-12.c
index c073bc9..964291c 100644
--- a/gcc/testsuite/c-c++-common/auto-init-12.c
+++ b/gcc/testsuite/c-c++-common/auto-init-12.c
@@ -1,7 +1,6 @@
 /* Verify zero initialization for VLA automatic variables.  */
 /* { dg-do compile } */
 /* { dg-options "-ftrivial-auto-var-init=pattern -fdump-tree-gimple" } */
-/* { dg-require-effective-target alloca } */
 
 extern void bar (int);
 
diff --git a/gcc/testsuite/c-c++-common/auto-init-15.c b/gcc/testsuite/c-c++-common/auto-init-15.c
index 77710a9..5857287 100644
--- a/gcc/testsuite/c-c++-common/auto-init-15.c
+++ b/gcc/testsuite/c-c++-common/auto-init-15.c
@@ -1,7 +1,6 @@
 /* Verify the auto initialization of nested VLA.  */
 /* { dg-do compile } */
 /* { dg-options "-ftrivial-auto-var-init=zero -fdump-tree-gimple" } */
-/* { dg-require-effective-target alloca } */
 
 void g(void *);
 
diff --git a/gcc/testsuite/c-c++-common/auto-init-16.c b/gcc/testsuite/c-c++-common/auto-init-16.c
index 3714bc3..1e30995 100644
--- a/gcc/testsuite/c-c++-common/auto-init-16.c
+++ b/gcc/testsuite/c-c++-common/auto-init-16.c
@@ -1,7 +1,6 @@
 /* Verify the auto initialization of nested VLA.  */
 /* { dg-do compile } */
 /* { dg-options "-ftrivial-auto-var-init=pattern -fdump-tree-gimple" } */
-/* { dg-require-effective-target alloca } */
 
 void g(void *);
 
diff --git a/gcc/testsuite/c-c++-common/builtins.c b/gcc/testsuite/c-c++-common/builtins.c
index f44d0d3..3bc5ded 100644
--- a/gcc/testsuite/c-c++-common/builtins.c
+++ b/gcc/testsuite/c-c++-common/builtins.c
@@ -3,8 +3,7 @@
   { dg-do compile }
   { dg-options "-O2 -Wall -Wextra" }
   { dg-additional-options "-std=gnu17 -fpermissive" { target c } }
-  { dg-prune-output "warning" }
-  { dg-require-effective-target alloca }  */
+  { dg-prune-output "warning" } */
 
 typedef __SIZE_TYPE__ size_t;
 
diff --git a/gcc/testsuite/c-c++-common/dwarf2/vla1.c b/gcc/testsuite/c-c++-common/dwarf2/vla1.c
index f71f8f0..e814bf5 100644
--- a/gcc/testsuite/c-c++-common/dwarf2/vla1.c
+++ b/gcc/testsuite/c-c++-common/dwarf2/vla1.c
@@ -1,7 +1,6 @@
 // PR debug/42800
 // { dg-options "-gdwarf-2 -dA" }
 // { dg-final { scan-assembler "DW_AT_upper_bound" } }
-// { dg-require-effective-target alloca }
 
 int
 f (int i)
diff --git a/gcc/testsuite/c-c++-common/gomp/pr61486-2.c b/gcc/testsuite/c-c++-common/gomp/pr61486-2.c
index c86fd91..5e9fa47 100644
--- a/gcc/testsuite/c-c++-common/gomp/pr61486-2.c
+++ b/gcc/testsuite/c-c++-common/gomp/pr61486-2.c
@@ -1,6 +1,5 @@
 /* PR middle-end/61486 */
 /* { dg-do compile } */
-/* { dg-require-effective-target alloca } */
 
 #pragma omp declare target
 void dosomething (int *a, int n, int m);
diff --git a/gcc/testsuite/c-c++-common/torture/builtin-clear-padding-4.c b/gcc/testsuite/c-c++-common/torture/builtin-clear-padding-4.c
index ebc5893..b98e96d 100644
--- a/gcc/testsuite/c-c++-common/torture/builtin-clear-padding-4.c
+++ b/gcc/testsuite/c-c++-common/torture/builtin-clear-padding-4.c
@@ -1,6 +1,5 @@
 /* PR libstdc++/88101 */
 /* { dg-do run } */
-/* { dg-require-effective-target alloca } */
 
 struct S { char a; short b; char c; };
 
diff --git a/gcc/testsuite/c-c++-common/torture/strub-run3.c b/gcc/testsuite/c-c++-common/torture/strub-run3.c
index e5047a9..e29055d 100644
--- a/gcc/testsuite/c-c++-common/torture/strub-run3.c
+++ b/gcc/testsuite/c-c++-common/torture/strub-run3.c
@@ -1,6 +1,5 @@
 /* { dg-do run } */
 /* { dg-options "-fstrub=strict" } */
-/* { dg-require-effective-target alloca } */
 /* { dg-require-effective-target strub } */
 
 /* Check that a non-strub function leaves a string behind in the stack, and that
diff --git a/gcc/testsuite/c-c++-common/torture/strub-run4.c b/gcc/testsuite/c-c++-common/torture/strub-run4.c
index 0e84a4b..469405d 100644
--- a/gcc/testsuite/c-c++-common/torture/strub-run4.c
+++ b/gcc/testsuite/c-c++-common/torture/strub-run4.c
@@ -1,6 +1,5 @@
 /* { dg-do run } */
 /* { dg-options "-fstrub=all" } */
-/* { dg-require-effective-target alloca } */
 /* { dg-require-effective-target strub } */
 
 /* Check that multi-level, multi-inlined functions still get cleaned up as
diff --git a/gcc/testsuite/c-c++-common/torture/strub-run4c.c b/gcc/testsuite/c-c++-common/torture/strub-run4c.c
index edc9848..8da6cac 100644
--- a/gcc/testsuite/c-c++-common/torture/strub-run4c.c
+++ b/gcc/testsuite/c-c++-common/torture/strub-run4c.c
@@ -1,6 +1,5 @@
 /* { dg-do run } */
 /* { dg-options "-fstrub=at-calls" } */
-/* { dg-require-effective-target alloca } */
 /* { dg-require-effective-target strub } */
 
 #include "strub-run4.c"
diff --git a/gcc/testsuite/c-c++-common/torture/strub-run4d.c b/gcc/testsuite/c-c++-common/torture/strub-run4d.c
index 487ed08..753f5fc 100644
--- a/gcc/testsuite/c-c++-common/torture/strub-run4d.c
+++ b/gcc/testsuite/c-c++-common/torture/strub-run4d.c
@@ -1,6 +1,5 @@
 /* { dg-do run } */
 /* { dg-options "-fstrub=strict" } */
-/* { dg-require-effective-target alloca } */
 /* { dg-require-effective-target strub } */
 
 #define ATTR_STRUB_AT_CALLS __attribute__ ((__strub__ ("at-calls")))
diff --git a/gcc/testsuite/c-c++-common/torture/strub-run4i.c b/gcc/testsuite/c-c++-common/torture/strub-run4i.c
index a85447f..6f7bdd2 100644
--- a/gcc/testsuite/c-c++-common/torture/strub-run4i.c
+++ b/gcc/testsuite/c-c++-common/torture/strub-run4i.c
@@ -1,6 +1,5 @@
 /* { dg-do run } */
 /* { dg-options "-fstrub=internal" } */
-/* { dg-require-effective-target alloca } */
 /* { dg-require-effective-target strub } */
 
 #include "strub-run4.c"