Merge pull request swiftlang#40232 from gottesmm/pr-cce4e0beb8f8872e12287592abe13dbc50bbc76d

[build-script] Add some standalone stdlib asan variants.

Author: gottesmm

utils/build-presets.ini

@@ -2406,6 +2406,12 @@ no-assertions
 
 verbose-build
 
+[preset: stdlib_RD_standalone,build,asan]
+mixin-preset=stdlib_RD_standalone,build
+
+build-subdir=stdlib_RD_standalone_asan
+enable-asan
+
 [preset: stdlib_RD_standalone,build,test]
 mixin-preset=stdlib_RD_standalone,build
 
@@ -2421,6 +2427,12 @@ assertions
 
 verbose-build
 
+[preset: stdlib_RA_standalone,build,asan]
+mixin-preset=stdlib_RA_standalone,build
+
+build-subdir=stdlib_RA_standalone_asan
+enable-asan
+
 [preset: stdlib_RA_standalone,build,test]
 mixin-preset=stdlib_RA_standalone,build
 
@@ -2436,6 +2448,12 @@ assertions
 
 verbose-build
 
+[preset: stdlib_RDA_standalone,build,asan]
+mixin-preset=stdlib_RDA_standalone,build
+
+build-subdir=stdlib_RDA_standalone_asan
+enable-asan
+
 [preset: stdlib_RDA_standalone,build,test]
 mixin-preset=stdlib_RDA_standalone,build
 
@@ -2451,6 +2469,12 @@ assertions
 
 verbose-build
 
+[preset: stdlib_DA_standalone,build,asan]
+mixin-preset=stdlib_DA_standalone,build
+
+build-subdir=stdlib_DA_standalone_asan
+enable-asan
+
 [preset: stdlib_DA_standalone,build,test]
 mixin-preset=stdlib_DA_standalone,build