Patch inspired by file comparison with openjdk@19.

diff -u -r openjdk-10.alt/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c openjdk-10/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c
--- openjdk-10.alt/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c	2023-04-05 15:03:00.070787628 +0200
+++ openjdk-10/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c	2023-04-05 15:29:51.379824348 +0200
@@ -67,8 +67,17 @@
   longjmp(context, 1);
 }
 
-void set_signal_handler() {
-  static char altstack[SIGSTKSZ];
+static char* altstack = NULL;
+
+ void set_signal_handler() {
+  if (altstack == NULL) {
+    // Dynamically allocated in case SIGSTKSZ is not constant
+    altstack = (char*)malloc(SIGSTKSZ);
+    if (altstack == NULL) {
+      fprintf(stderr, "Test ERROR. Unable to malloc altstack space\n");
+      exit(7);
+    }
+  }
 
   stack_t ss = {
     .ss_size = SIGSTKSZ,
d Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=107ebf7b34e619de9f6b50996ede6c7c0e1159cb'>refs</a><a class='active' href='/guix/log/nix'>log</a><a href='/guix/tree/nix?id=107ebf7b34e619de9f6b50996ede6c7c0e1159cb'>tree</a><a href='/guix/commit/nix?id=107ebf7b34e619de9f6b50996ede6c7c0e1159cb'>commit</a><a href='/guix/diff/nix?id=107ebf7b34e619de9f6b50996ede6c7c0e1159cb'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/nix'>
<input type='hidden' name='id' value='107ebf7b34e619de9f6b50996ede6c7c0e1159cb'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=107ebf7b34e619de9f6b50996ede6c7c0e1159cb'>root</a>/<a href='/guix/log/nix?id=107ebf7b34e619de9f6b50996ede6c7c0e1159cb'>nix</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/nix?id=107ebf7b34e619de9f6b50996ede6c7c0e1159cb&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-04-19 19:06:26 +0200'>2018-04-19</span></td><td><a href='/guix/commit/nix?id=5cefb13ddd4d51a63a387e74c138035b7b8b8537'>guix-daemon: Disable garbage collection for remote connections.</a><span class='msg-avail'>...</span></td><td>Roel Janssen</td></tr>
<tr><td><span title='2018-03-30 23:42:07 +0200'>2018-03-30</span></td><td><a href='/guix/commit/nix?id=602a148650809da3c2356e4429f4b8160a72843b'>daemon: Remove unused schema upgrade code.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-03-30 23:42:07 +0200'>2018-03-30</span></td><td><a href='/guix/commit/nix?id=c7589cce8d3f9fcb7769e424f341dba8fb3545d0'>daemon: Remove dead code.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-01-11 10:25:06 +0100'>2018-01-11</span></td><td><a href='/guix/commit/nix?id=7bf2a70a4ffd976d50638d3b9f2ec409763157df'>daemon: Always try to execute the builder regardless of the platform.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-01-07 23:47:22 +0100'>2018-01-07</span></td><td><a href='/guix/commit/nix?id=f997137d0e2eba27bb1e2b282ee19ea474c41e12'>daemon: Make libbz2 an optional dependency.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-01-07 23:47:22 +0100'>2018-01-07</span></td><td><a href='/guix/commit/nix?id=29a686688674dc875775305312513405fa396a06'>daemon: Add gzip log compression.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-12-31 11:18:30 +0100'>2017-12-31</span></td><td><a href='/guix/commit/nix?id=091191c3dcbfb9f01070d26bf15cb2c4dd07b1b5'>list-runtime-root: Fix off-by-one in 'strip-drop' call.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-26 15:58:33 +0100'>2017-11-26</span></td><td><a href='/guix/commit/nix?id=9b0713012905f3997d6fad201dba7c3d93b38b13'>list-runtime-roots: Ignore ESRCH while reading from /proc.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-12 23:53:12 +0100'>2017-11-12</span></td><td><a href='/guix/commit/nix?id=856b68bda959638201182304ded2759c7de5411b'>list-runtime-roots: Ignore PIDs we cannot access.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-12 22:42:17 +0100'>2017-11-12</span></td><td><a href='/guix/commit/nix?id=fb17a89912c2a3738dae716e30481c11e1c6f0ac'>list-runtime-roots: Canonicalize store items.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-12 22:42:17 +0100'>2017-11-12</span></td><td><a href='/guix/commit/nix?id=b8f59cdc20e9d83ce63523ef917e95fcee07f134'>list-runtime-roots: Do not use 'lsof'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>